[128]

(13) N. American Journal Vol XI. p. 127. N. Ser

Agassiz on the Blind Fish in the Mammoth Cave. references to all Papers on subject. An Astacus eyeless - 2 spiders eyeless - Flies – [insertion: has eye peduncle] a shrimp. 2 Beetles Infusoria - A Blind Fish, Agassiz thinks perhaps an abnormal form of his Cyprinodonts.

[Louis Agassiz. 1851. Observations on the blind fish of the mammoth cave. American journal of science and arts, series 2, vol. 11: 127-128.]

Vol XI. p. 336. Prof. Silliman on same cave

The cricket has enormously large long antennae. A second Fish has eyes, but is blind - Other Fish & otter Astacus sometimes get into Cave from the Green River. A rat, blueish with immense eyes (soft fur) without iris long feelers (odd on my theory) When first caught entirely blind "By keeping them, however, in captivity & diffuse light, they gradually appeared to attain some power of vision" How beautiful

[B. Silliman, Jr. 1851. On the mammoth cave of Kentucky (from a letter addressed to Prof. Guyot, Cambridge, dated Louisville 8 November 1850). American journal of science and arts, series 2, vol. 11: 332-339.]

[129]

(14) a series with regard to eyes. These large eyes "of the size of a rabbit's eyes"

Vol. XI. p. 275. Leidy on new Fossil Mammal: on the Missouri only a list. Palæotherium Baerdii Rhinoceros nebraskensis - Merycoidodon & Agriochoerus. Palaeotherium Prontis is the name of species before mentioned in this Journal.

[Joseph Leidy. 1850. Zoological researches. American journal of science and arts, series 2, vol. 11: 274-275.]

p. 275. Dr. Morton "On value of word species in Zoology" The fact of the succession, therefore, & of the constant succession, constitutes alone the validity of the species" This is Cuvier. Morton gives "a primordial organic form" I agree with him Creation is implied

p.276. believes Dog to have descended from several primitive Forms - Admits some naturalists wd call his species, primitive varieties - a difference, he observes only of name.

[S. G. Morton. 1850. Value of the word species in Zoology. American journal of science and arts, series 2, vol. 11: 275-276.]