[10]

Bignonia capreolata movement

19th

Bignonia Another mark

Left Hand	Right Hand
6. 45 mark on extreme sub-tendril	6°. 45— mark on tip of one lateral tendrils
7. 35 outwards shoot	7. 35 outwards shoot
9. 21 long way from light	9° 2 1' long way from L
9 45 a little back or to light	9. 45 to right & from L
10. 27 same course	10 27 same course
11. 9 from light— so back	11. 9' from light
11. 42 from light & to left	11. 42 from light
12. 34 to right & little to light	12. 34 to light— back & parallel
1. 30 to left & back	1. 30 to right
2° 15 a little to light	2. 15. a little to light
3 from light	3' from light
4 from light & to left	4' from light & to right
5 straight from light	5 from light & to right— same course
6 from light & little to left	6° from light straight
7. 16' from light & to left	7. 16 from light & to right
8. 30 from L & little to R & on vertical glass — dot	8° 30 from light & to left
10. 35 on vertical glass down & to R.	10. 35 from Light

 

20th

6° 50 on glass again	6° 50 very near last night.
7. 45 back far to the from light	7° 45 to left

Between 6° 45 a.m & 10. 35' P.m Both tendrils from standing vertically up pointed directly from light & almost horizontally extended to dark end of box


Slided Pot back 20th & put mark nearer

20th)	20th)
8° 10' a.m new dot	8° 10' a.m. new dot
9. 5 from light —(this implies t. sinking	9. 5 from light
10. 10' from L & to right	10. 10 back & to light & Left?
11. 7 from L & to R.	11. 7 from L. & to left

 

The 2 tendrils are converging & sinking

12. 10 same course	12° 10' from light & to right
1°    do	1° from light & to left
2°    do	2° nearly same spot
3    do	3' to right & from L.
4°    do	4° same course
5° nearly same course	5° to left(?) & fr Light
6 40' not marked behind stick	6° 40 from L. & to right
7 28 still behind stick	7. 28 same course

 

converges more than opposite one

9 . both hidden — highly — convergent..
10. 30 converge so as to cross— but neither can be marked

This finished

21st

7'. 5' Pm same spot.	6° 45'. a.m slewed round
10. 30' gone back to light very far	7° 45 to left
22d 6° 45 to light & far to right	8 45 still converging (tied other T ie to left & from light
9° 15/ from light & to left	10. 15 from light
10° from L. & to Left	11— 15,    do
11. 20 same course	12° 17    do
12 30    do do	2. 10'    do
2. 13    do. do	2. 53 — do short way
3°    do . short way.	4°
4. 5' a little to the right	4° → moved mark XX
5 20 from light	5 from light
6 am atom from light	5. 45 same spot or little back T at rt angles to light
7° 25' same course
8° 45
11. 35  } same course
23d 7° a.m do

 

[10v]

(27 741 741

Ch XI

which were sucking through the holes made in various kinds of flowers flew to them, whether on the upper or under surface of the corolla, without the least hesitation; & this shows how quickly all the individuals with the a  the same district acquire the same knowledge. Yet habit sometimes come into play to a certain extent here [illeg] in the manner in which the holes are gnawed as in so many much of the their operations work by bees. so many of their other operations. of bees. Dr. Ogle, Messr. Farrer & Belt have observed *(  in the case of Phaseolus multiflorus * (A) that certain individual bees of bees went exclusively to the perforations while others of the same species visited only the mouths of the flowers. I observed I noticed in 1861 exactly the same fact in the case of Trifolium pratense. So persistent is their habit that when a bee which is visiting perforated flowers comes to one which has not been perforated bitten it does not go to the mouth, but instantly flies away in search of what it wants another bitten flower. Nevertheless I once saw on one occasion the same a humble-bee sometimes entering which entered the mouths & sometimes entering of some flowers & cut holes into the flowers other of the hybrid Rhododendron azaloides. Dr. H. Müller informs me that in the

[Cross and self fertilisation, pp. 431-2: "I have repeatedly observed with various kinds of flowers that all the hive and humble-bees which were sucking through the perforations, flew to them, whether on the upper or under side of the corolla, without the least hesitation; and this shows how quickly all the individuals within the district had acquired the same knowledge. Yet habit comes into play to a certain extent, as in so many of the other operations of bees. Dr. Ogle, Messrs. Farrer and Belt have observed in the case of Phaseolus multiflorus* that certain individuals went exclusively to the perforations, while others of the same species visited only the mouths of the flowers. I noticed in 1861 exactly the same fact with Trifolium pratense. So persistent is the force of habit, that when a bee which is visiting perforated flowers comes to one which has not been bitten, it does not go to the mouth, but instantly
* Dr. Ogle, 'Pop. Science Review' April 1870 page 167. Mr. Farrer, 'Annals and Magazine of Natural History' 4th series volume ii. 1868 page 258. Mr. Belt in a letter to me.
flies away in search of another bitten flower. Nevertheless, I once saw a humble-bee visiting the hybrid Rhododendron azaloides, and it entered the mouths of some flowers and cut holes into the others. Dr. H. Müller informs me that in the same district he has seen some individuals of Bombus mastrucatus boring through the calyx and corolla of Rhinanthus alecterolophus, and others through the corolla alone."]