264 



REPORT — 1856. 



218 



Analysis of Species. 



BRYOZOA 16 



PALLIOBRANCHIATA 1 



LAMELLIBRANCHIATA I ^'^^^^^^^^*"' ^jH 



GASTEROPODA: Opisthobranchiata.'.'.'. 10 



{Land 5'\ 

 Freshwater... 3> 12 

 Sea 4j 



Prosobranchiata : Heteropoda 2 



Lateribranchiata ... 4 



Scutibranchiata 82 



Pectinibranchiata : — 

 Rostrifera ... 120 



Toxifera 34 



Proboscidifera 193 



347 



43.5 



457 



Total 



692 



Or thus; 



-Bryozoa 16 



Land Shells 5 



Freshwater Shells 7 



Sea Shells 664 



Total , 



692 



52. In January 1850, Conrad published in the Journ. Ac. Nat. Sc. Phi- 

 ladelphia, a list of "new and interesting shells from the coasts of Lower 

 California and Peru, presented to the Academy by Dr. B. Wilson." It is not 



