ART. 10. ADDITIONS AND EMENDATIONS TO BULLETIN 112 DALL. 3 



Page 117. For Janihina exigua, etc. read '' Janihina bifida Nuttall, Jay Cat, 



p. 68, 1S39; Conch. Icon., Janihina, fig. 25', Dec, 1858." 

 Page 121. Chemnitzia enghei'gi, add " p. 570." Under Strioturhonilla add, 



" Strioturhonilla kincaidi Bartsch, 1921, Proc. Biol. Soc. Wash., 



vol. 34, p. 33, Mar. 31, 1921 ; Dogfish Bay, Puget Sound." 

 Page 128. Under Chnjsallida add, "■ Chrysallida cumshewacnsls Bartsch, 1921; 



Proc. Biol. Soc. Wash., vol. 34, p. 34 ; Cumshewa Inlet, B. C." 

 Page 136. Amaura enghergi and sanjuancnsis, add " p. 570." 

 Page 137. Amaura washingtonia, add " p. 571." 

 Page 142. For Triforidne read " Triphoridae" and for Trifora read " Tri- 



phora " throughout. Under Cerithiopsis insert " Cerithiopsis 



frascri Bartsch, 1921; Proe. Biol. Soc. Wash., vol. 34, p. 34. 



Clayoquot, B. C, to Victoria, B. C." Also: "Cerithiopsis onealen- 



sis Bartsch, 1921; same reference, p. 35; Oueal Island, Puget 



Sound." 

 Page 144. Above " Incertae sedis " insert " Section Ceritfiiopsinu Bartsch, 



1911," and add " Cerithiopsis signa Bartsch, 1921, Proc. Biol. Soc. 



Wash., vol. 34, p. 36; Oneal Island, Puget Sound." Also: 



"Cerithiopsis loilletti Bartsch, 1921, same reference; Forrester 



Island (Willett) to Puget Sound." 

 Page 145. Fenella A. Adams, 1860, not Westwood 1840= A Zaftina Da 11, 1902. 

 Page 148. For Trichotropis costelloto substitute "Trichotropis borealis Sowerl)y, 



1829, Zool. Journ, vol. 4, p. 375." 

 Page 149. Caecum, dalli, licalum, diegense, grippi, and Micranellum pedrnense, 



add "p. 5G8." 

 Page 150. For all species of Micranellum. add " p. 569." For Fartulum hemp- 



hilli, occidentale, and bakeri, add " p. 566." For Elephantulum 



carpenteri add " p. 567." 

 Page 151. Petuloconchus iiiontereycnsis. Add " Catalina Island." 

 Page 152. Littorina, add " Blainville, 1828." For section Littorina s. s. read 



" Neritoides Brown, 1827." 

 Page 153. Littorina sitchana, read " Littorina sitkana," and cori-ect *' Lito- 



rina to " Littorina." For section Algaroda, read " Littorina s. s." 

 Page 156. Alaba catalinensis, add "p. 572." Diala marmorea may prove to be 



a Barleeia. 

 Page 158. Under Alvania insert "Alvania burrardensis Bartsch, 1921, Proc. 



Biol. Soc. Wash., vol. 34, p. 38, Burrard Inlet, B. C. 

 Page 159. Alvayiia sanjuanensis. Read " Bartsch, 1921, Proc. Biol. Soc. Wash., 



vol. 34, p. 37." 

 Page 160. Truncatella californica. After " San Martin Island " read " Lower 



California." 

 Page 163. Under Crucibulum, insert " Crucibulmn imbricatuni Sowerby. 



Genera, Calyptraea fig. 5; Broderip, Trans. Zool. Soc. London, 



vol. 1, p. 193, pi. 27, fig. 7, 1834. La Jolla, Cal. (Orcutt) to 



Peru." 

 Page 174. Chlorostoma gallina umbilicatum, add " Catalina Island." 

 Page 177. Cidarina, read " Dall, 1909." Cidarina cidaris, read " Proc. U. S. 



Nat. Mus., vol. 15, pi. 22, fig. 4." For Solaricida read " Cal- 



liotrojHs Seguenza, 1903." The former dates from 1919. 

 Page 181. Under Vitrinelld add " Vitrinella Columbiana Bartsch. 1921 ; Proc. 



Biol. Soc. Wash., vol. 34. p. 39. Departure Bay, British Columbia." 

 Page 182. Cyclostremella concordia, add " p. 572." 



