Embryology. | 1035 
tame T. disectus. In its affinities it is nearest to T. woodhousei, 
and the fact that it occurred in a region-so carefully studied 
_ lends plausibility to the view that it is an introduced species. 
A .van Lidth de Jeude contributes some notes on a collection 
fishes and reptiles from the West Indies to vol. x. of the 
_ Leyden Museum oes. The new species described are Gym- 
_ ~‘Nodactylus antillensis, Phyllodactylus martini (= P. julieni Cope), 
Cnemidophorus arubensis, Crotalus horridus var. unicolor, Pæcela 
__“andepolli, and same var. arubensis. A larger acquaintance with 
_ American literature would have reduced the number of nominally 
. species. 
EMBRYOLOGY. 
txonomy, This is the case with the memoir before us. 
After surmounting many discouraging difficulties, the Sarasins 
ve succeeded in presenting a pretty full account of the develop- 
continuations of the egg-membrane, so as to remind one of 
eads. The individual ova are quite large, or nearly 
arrow-fat pea. There is a considerable albumi- 
ya : Teleostei, and Aves. The formation of the embryo 
isse naturwissenschaftlicher Forschungen auf Ceylon. Heft IL, 4to. 
.Kreidel. 
I NO. TI. 70 
