236 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 2 



This species is named for Captain Allan Hancock, whose generosity 

 made possible the expedition, during which the collection for this report 

 was made. 



Lamellaria inflata C. B. Adams 

 Plate 23, Figs. 7, 10, 13 



Stomatella inflata C. B. Adams, Ann. Lyceum Nat. Hist. New York, 



vol. 5, 1852, pp. 440, 543. "Panama."— Carpenter, Rept. Brit. 



Assoc. Adv. Sci., for 1863 (issued 1864), p. 551. Reprint in 



Smithson. Misc. Coll., No. 252, 1872, p. 37. "Stomatella inflata 



is a Lamellaria." — Carpenter, Proc. Zool. Soc. London, 1863, 



p. 359. Reprint in Smithson. Misc. Coll., No. 252, 1872, p. 194. 



An excellent specimen of this species was collected at Loc. 27,257 



(C.A.S.), on the beach below Delessep's Monument, at Panama City, 



Panama. Adams originally described the species from Panama. 



Liotia balboai Strong & Hertlein, new species 

 Plate 21, Figs. 3, 5, 6 



Shell small, solid, depressed turbinate, grayish white with broad, 

 brown, axial markings; nuclear whorls nearly 2, small, smooth; post- 

 nuclear whorls 33^ ; axial sculpture on the last whorl of 3 keels, one on 

 the periphery, a second a little above it on the shoulder of the whorl, 

 and the third at an equal distance below the peripheral keel, the 3 

 being separated by broad grooves; the suture is laid on the lower of 

 the 3 keels leaving the upper 2 exposed in the spire, with the groove 

 between the peripheral and the lower keel forming the channeled suture ; 

 in addition to the spiral keels there are 2 fine spiral threads on the 

 flattened space between the upper keel and the suture; axial sculpture 

 of fine, close-spaced riblets over the entire surface; base flattened be- 

 tween the lower keel and the edge of the umbilicus; umbilicus large, 

 the outer edge sharply angulated with 8 nodules on the angle; aperture 

 circular, pearly within, outer lip thickened, greatly so at the posterior 

 angle; inner lip thin where it bounds the umbilicus, spreading above. 

 Operculum concave, with a central nucleus and about 8 granular whorls. 

 The type measures: diameter, 3.6 mm; height, 2.5 mm. 



Holotj'pe: No. 728 (Calif. Acad. Sci. Paleo. Type Coll.), from 

 Loc. 27,228 (C.A.S.), dredged in from 3 to 9 fms. off Taboga Island, 

 Panama. L. G. Hertlein collector. One hundred and seventy-five addi- 

 tional specimens, of all ages, were dredged at the same locality, and 2 

 adult and 10 young specimens were dredged in Bahia Honda. 



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