ZOOLOGICAL TAXA OF WILLIAM HEALEY DALL 161 



hxpolispus, Chrysodomus (Sipho) 1891, PUSNM, vol. 14, no. 849, 

 "p. 188 (ALBATROSS sta. 3254, Bering Sea, Alaska); 1895, 



PUSNM, vol. 17, no. 1032, p. 708, pi. 27, fig. 1. 

 hypolispus, Mar^arites 1919, PUSNM, vol. 56, no. 2295, p. 367 



" (Arctic Ocean N of Bering Strait; USNM 274122). 

 hypomela, ? Aforia 1889, BMCZ, vol. 18, pp. 10, 99 (USFC sta. 



2127, S of Cuba). 

 hypomela, Scapharca 1898, TWFIS, vol. 3, pt. 4, p. 637, pi. 33, fig. 



1 (Oligocene, Ballast Point, Tampa Bay, Florida; and others); 



1905, Schuchert, Ball et al, USNMB 53, pt. 1, p. 585 (Ballast 



Point, Florida; USNM 149007); 1915, USNMB 90, p. 121, pi. 17, 



fig. 7; pi. 21, figs. 17, 18. 

 hypsipettiis, Latirus 1890, TWFIS, vol. 3, pt. 1, p. 108, pi. 10, fig. 5 



(Caloosahatchie marls IFlorida]); 1905, Schuchert, Dall et al, 



USNMB 53, pt. 1, p. 344 (Pliocene, near Fort Thompson, 



Caloosahatchie River, Florida; USNM 97497). 

 hypsoma, Leila 1898, TWFIS, vol. 3, pt. 4, p. 589, pi. 32, fig. 2 



(Miocene, Natural Well, Duplin County, North Carolina); 1905, 



Schuchert, Dall et al, USNMB 53, pt. 1,' p. 346 (USNM 115024). 



hystricinus, Phyllonotus 1889, BMCZ, vol. 18, pp. 17, 200 las 



' Mitrex] pi. 16, fig. 4 (BLAKE sta. 158, off Montserrat; and 



others). 

 ianthe, Elaeocyma 1919, PUSNM, vol. 56, no. 2288, p. 9, pi. 4, fig. 6 



(USBF sta." 3020, off Cape Tepoca, Gulf of California; USNM 



212367). 

 ibex. Caecum tortile 1892, TWFIS, vol. 3, pt. 2, pp. 213, 301, pi. 20, 



fig. 10a (Miocene, Mrs. Guion's, Cape Fear River, North 



Carolina; Pliocene, Tilly's Lake, South Carolina); 1905, Schuch- 

 ert, Dall et al, USNMB 53, pt. 1, p. 113 (Tilly's Lake, South 



Carolina; USNM 112333). 

 ibex, Triforis 1881, BMCZ, vol. 9, no. 2, p. 86 (off Cape San 



Antonio tCuba] ; and others); 1889, BMCZ, vol. 18, p. 249, pi. 20, 



fig. 12b. 

 Ibicicornu 1924, PBSW, vol. 37, p. 88. Type-species by original 



designation: Orygoceras fistula Brusina. 

 idae, Tellina 1891, PUSNM, vol. 14, no. 849, p. 183, pi. 6, fig. 3; pi. 



7, figs. 1, 4 (Long Beach, San Pedro, California; and others); 



1900, PUSNM, vol. 23, no. 1210, p. 301, pi. 4, figs. 10, 11. 

 idahoense, Orygoceras (Ibicicornu) 1924, USGSPP 132-G, p. 113, 



pi. 26, fig. '3 (Castle Creek, Owyhee County, Idaho; USNM 



333522). 

 idothea, Cymatosyrinx 1919, PUSNM, vol. 56, no. 2288, p. 8, pi. 21, 



fig. 11 (tlSBF sta. 2777, Straits of Magellan; USNM 96194). 



