CLASS GASTROPODA 
117 
Lora popovia Dali, 1919 
Proceedings of the United States National Museum, 56:42; PI. 14, fig. 8. 
Shell white with straw-colored periostracum, six shouldered whorls, 
a subglobular small nucleus, and distinct suture; spiral sculpture of (on 
the upper whorl, four or five) rounded threads, between the shoulder 
and the succeeding suture, the threading obsolete on the last whorl or 
reduced to fine striation on the base and canal; axial sculpture on the 
spire of about 16 short rounded ribs swollen at the shoulder and reach¬ 
ing the succeeding suture, but fainter on the last whorl and absent from 
the base; aperture simple, pillar white, erased, canal short, straight. 
Height of shell, 13; of last whorl, 8; diameter, 5.5 mm. (Dali.) 
Type in United States National Museum, No. 220883. Type locality, 
Bristol Bay, Bering Sea. 
Range. Bristol Bay, Bering Sea, to Point Pinos, California. 
Lora rassina Dali, 1919 
Proceedings of the United States National Museum, 56:303. 
Shell small, white, with a small (decorticated) nuclear whorl and 
five subsequent, slightly shouldered whorls; suture distinct, not appressed; 
axial sculpture of (on the last whorl about 20) narrow, rounded ribs 
extending from the suture over the periphery but more or less obsolete 
on the base, the interspaces wider; spiral sculpture of numerous, close- 
set, rounded threads over the whole surface but not nodulating the ribs; 
anal sulcus very shallow, outer lip thin, nearly straight, inner lip erased, 
canal very short, hardly differentiated from the aperture. Height of 
shell, 10; of last whorl, 7; diameter, 5.5 mm. (Dali.) 
Type in United States National Museum, No. 214224. Type locality, 
Station 3305, Bering Sea. 
Range. Off Bristol Bay, Bering Sea. 
Lora rugulata spitsbergensis Friele, 1886 
Plate 7, fig. 10 
North Atlantic Expedition Reports, 2:3; PI. 7, figs. 3, 4. 
Formen og Forholdet imellem Spir og Mundaabning er typisk. 
1 Skulpturen afviger naevaerende Varietet ved en staerkere fremtraedende 
Kjo; der kan gaa over til en skarp fremtraedende Kant (fig. 4) og en 
noget kraftigere Spiralstrieng. 
Storrelse: Axiallaegde, 19; Diameter, 10 mm. (Friele.) 
The form and the relation between spire and aperture is typical. In 
sculpture, this variety differs by a more pronounced keel, which can 
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