Tropidoleptus Fauna at Canandaicua Lakk, N. V. 169 



This species is very rare at Canandaigua Lake as it is in most of the 

 sections except for the top of the Hamilton at Thedford and Eighteen 

 Mile Creek. It has not been reported from Eastern New York. 



/^. vaniixemi Hall. 



Pal. N. Y., Vol. IV, 1867, pp. 40, 47, pi. 5, fig. 6, pi. 6, fig. 3. 



The specimens of this species, though common, were all small. 

 The largest is only 15 mm. long. The species occurs from Thedford 

 to Albany Co., N. Y. 



Pelycypoda. 



Nuculites oblongatiis Conrad. 



Pal. N. Y., Vol. V, pi. I, p. 324, pi. 47- 



The largest individual of this species in the collection is 12 mm. 

 high and 24 mm. long. The species is very rare here, and at Eigh- 

 teen Mile Creek, where it occurs in only one zone. It is quite com- 

 mon all through the section at Cayuga Lake and occurs in most of the 

 sections in the eastern counties. 



Niiculitus triqiieter Conrad. 



Pal. N. Y., Vol. V, pt. I, p. 326, pis. 47, 93. 



This species occurs only as casts in the present material and is not 

 common. The largest specimen is 7 mm. high and 9 mm. long. 



The distribution is about the same as for N. ohlongatus. 



Nil cilia corbiiliformis Hall. 



Pal. N. Y., Vol. V, pt. I, p. 319, pi. 46. 



Like the above, the individuals of this species are always small and 

 occur only as casts. The largest specimen is 5 x 8 mm. This species 

 has not been reported from the sections west of Canandaigua Lake, 

 but is common all through the Cayuga Lake section, and rare in 

 the eastern counties. 



Paleoneilo coustricta Conrad. 



Pal. N. Y., Vol. V, pt. I, p. Ill, pis. 48, 51- 



This species which is common all through the Cayuga Lake section 

 is rare at Eighteen Mile Creek, Livonia, Canandaigua Lake, and the 

 eastern localities. CHir specimens are rather small, the largest being 

 9.5 X 15 mm. 



Conocardiiim ehoraceiis Hall. 

 Pal. N. Y., Vol. V, p. 412. 



This species is very rare in our faunule, and is represented by 

 fragments of the shell. 



