AHT. 10. ADDITIOJTS AND EMENDATIONS TO BULLETIN 112 DALE. 3 
Page 117. For Janthina exigua, etc. read ^'Janthina Mfida Nuttall, Jay Cat., 
p. 68, 1839; Conch. Icon., Janthina, fig. 25^ Dec., 1858.” 
Page 121. Chemnitzia enghergi, 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 Chrysallida add, “ Chrysallida cumshewaensis Bartsch, 1921 ; 
Proc. Biol. Soc. Wash., vol. 34, p. 34; Cumshewa Inlet, B. C.” 
Page 136. Amaura enghergi and sanjuanensis, add “ p. 570.” 
Page 137. Amaura ivashingtonia, add “ p. 571.” 
Page 142. For Triforidae read ” Triphoridae,'' and for Trifora read “ Tri- 
phora ” throughout. Under Cerithiopsis insert ” Cerithiopsis 
fraseri Bartsch, 1921 ; Proc. Biol. Soc. Wash., vol. 34, p. 34. 
Clayoquot, B. C., to Victoria, B. C.” Also : “ Cerithiopsis onealen- 
sis Bartsch, 1921 ; same reference, p. 35 ; Oneal Island, Puget 
Sound.” 
Page 144. Above “ Incertae sedis ” insert “ Section Cerithiopsina Bartsch, 
1911,” and add “ Cerithiopsis signa Bartsch, 1921, Proc. Biol. Soc. 
Wash., vol. 34, p. 36 ; Oneal Island, Puget Sound.” Also : 
“ Cerithiopsis willetti Bartsch, 1921, same reference ; Forrester 
Island (Willett) to^ Puget Sound.” 
Page 145. Fenella A. Adams, 1860, not Westwood 1840=A^a5^^^a Dali, 1902. 
Page 148. For Trichotropis eostellata substitute ''Triehotropis horealis Sowerby, 
1829, Zool. Journ, vol. 4, p. 375.” 
Page 149. Caecum dalli, licalum, diegense, grippi, and Micranellum pedroense, 
add “p. 568.” 
Page 150. For all species of Micranellum add “p. 569.” For Fartulum hemp- 
hilli, oceidentale, and hakeri, add “ p. 566.” For Elephantulum 
carpenteri add “p. 567.” 
Page 151. Petaloconchus niontereyensis. 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 correct Lito- 
rina to “ LittorinaT For section Algaroda, read “ Littorina s. s.” 
Page 156. Alaha catalinensis, add “ p. 572.” Diala marmorea may prove to be 
a Barleeia. 
Page 158. Under Alvania insert ^‘Alvania hurrardensis Bartsch, 1921, Proc. 
Biol. Soc. Wash., vol. 34, p. 38, Burrard Inlet, B. C. 
Page 159. Alvania 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 Crucihulum, insert ” Crueihulum imhricatum 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 ” Dali, 1909.” Cidarina cidaris, read “ Proc. U. S. 
Nat. Mus., vol. 15, pi. 22, fig. 4.” For Solaricida read “ Cal- 
liotropis Seguenza, 1903.” The former dates from 1919. 
Page 181. Under Vitrinella add “ Vitrinella columFiana Baftsch, 1921 ; Proc. 
Biol. Soc. IVash,, vol. 34, p. 39. Departure Bay, British Columbia.” 
Page 182. Cyclostremellu eoneordia, add ” p. 572,” 
