[92]

Bates Vol. 1. p 251. Borrow woodcut of Locusts & Musical I.

a row of projecting points makes a file

X {Pneumora if spec in B. Mus. fit for drawing, or if Thunberg or other give good drawing

F. Smith will look to Ent. Transact.

X Chiasognathus Chilian male & female - Heads of - stag-beetle good to figure & perhaps any Lucanus with horns still more developed than this of L. cervus.

p. 85 Mr S. I might give sucking discs of male Dytiscus - Sulcate back of female - some case of elongated legs of males see Kirby. Vol. 3 p. 332. These cases are wonderful; but if I figure any male & female Cabro (?) in which front legs of males make a shield which fits excessively close & finely to rounded thorax of ♀

Taphroderes distortus with left mandible developed. There are other cases of one jaw enlarged.

Chalcosoma - Onthophagus rangifer Dynastes

[93]

Lamellicorn Beetles. Thorax Heads of males & females of some half-dozen most striking cases - The species with stags' Horns. - Perhaps head, thorax & front legs enough.

A Siagonium or Bledius with Horns

Cryptorhynchus Spiculator pectoral Horns (a weevil) (Kirby vol. 3. p. 329)

[Darwin recorded reading this on 3 May 1843 in his 'Books to be read / Books Read' notebook. CUL-DAR119.- Kirby, William and Spence, William. 1815-26. An introduction to entomology; or, elements of the natural history of insects. 4 vols. London. [Darwin Library in CUL]