230 U.S. NATIONAL MUSEUM BULLETIN 287 



oneilli, Macoma 1919, RCAE 1913-18, vol. 8, pt. A, pp. 4A, 12A, 

 16A, 20A, pi. 2, fig. 1 (sta. 43a-b, Dolphin and Union Straits 

 [Canada] ; NMC 4240). 



oonisca Dall and Bartsch, Odostomia (CkrysalUda) 1909, USNMB 

 68, p. 150, pi. 15, fig. 3. New name for Chrysallida ovulum 

 Carpenter, 1856, xot Pasithea (= Odostomia) ovidinu Lea. 1845. 



opacus, Lepidopleiirus 1908, BMCZ. vol. 43. no. 6, pp. 218, 354 

 (ALBAfROSS sta. 4647, between Galapagos Islands and Peru- 

 vian coast; sta. 3392, Gulf of Panama; USNM 110664). 



opalinum. Epitonium 1927, PUSNM, vol. 70, art. 18, no. 2667, pp. 

 4, 61 (off Georgia; USNM 108368). 



ophioderma, Ischnochiton 1908, BMCZ, vol. 43, no. 6, p. 356 

 (Perico Island, Panama Bay; USNM 110764). 



ophioilerma, Ischnochiton 1919, PUSNM, vol. 55, no. 2283, p. 506 

 (Panama; USNM 332145). 



ophioderma, Pleiirotoma 1908, PUSNM, vol. 34, no. 1610, p. 247. 

 New name for Pleiirotoma inermis Hinds, 1844, jiot Partsch, 

 1843; [as MonUiopsis ophioderma] 1919, PUSNM, vol. 56, no. 

 2288, p. 28, pi. 12, fig. 5. 



ophiodon, Denudiiun 1881, BMCZ, vol. 9, no. 2, p. 38 (BLAKE stas. 

 19, 20, 21 [off Bahia Honda, Cuba]); 1889, BMCZ, vol. 18, p. 427, 

 pi. 26, fig. 9. 



ophiodon, Melanella 1927, PUSNM, vol. 70, art. 18, no. 2667, pp. 4, 

 66 (off Fernandina [Florida] ; USNM 108027). 



ophis, Planorbis 1913, PUSNM, vol. 46, no. 2023, p. 236, pi. 21, figs 

 3, 4 (sta. 6040, 6-8 miles SW of Alexandria, Louisiana; USNM 

 166315). 



opisoplectum, Buccinum 1907, SMC, vol. 50, pt. 2, no. 1727, p. 142 

 (ALBATROSS sta. 4996, Sea of Japan; USNM 110514); 1925, 

 PUSNM, vol. 66, art. 17, no. 2554, p. 8, pi. 33, fig. 4. 



opisthogrammata, Pitaria (Hyphantosoma) 1903, TWFIS, vol. 3, 

 pt. 6, p. 1267, pi. 54, fig. 8 (Pliocene, Shell Creels and near 

 Charlotte Harbor, Alligator Creek, Florida); 1905, Schuchert, 

 Dall et al, USNMB 53, pt. 1, p. 510 (near Charlotte Harbor, 

 Florida; USNM 109232). 



Opisthosiphon 1905, PMSL, vol. 6, pt. 4, p. 209. Type-species b> 

 original designation: Chondropoma bahamense Shuttleworth. 



opsitelotus, Teinostoma 1892, TWFIS, vol. 3, pt. 2, p. 414, pi. 19, 

 figs. 5, 5b (Pliocene, Caloosahatchie [River] and Shell Creek, 

 Florida); 1905, Schuchert, Dall et al, USNMB 53, pt. 1, p. 642 

 (Caloosahatchie River, near Fort Thompson, Florida; USNM 

 113104). 



opulentora, Astarte 1903, TWFIS, vol. 3, pt. 6, p. 1494, pi. 57, fig. 11 

 (Pliocene, Tehuantepec Railway, W of Atlantic terminus); 1905, 

 Schuchert, Dall et al, USNMB 53, pt. 1, p. 69 (USNM 135062). 



