No. 405.| MWORTH-AMERICAN INVERTEBRATES.’ 751 
17. Polyp elongated, tapering from oral to aboral end, length 25 mm., 
greatest diameter 6 mm. ; tentacles thirty-six, in two imperfect rows 
Llyanthus levis Ver., N. (Fig. 5) 
17. Polyp rather slender, tapering from oral to aboral end, length about 
9o mm., greatest diameter 18 mm. ; tentacles numerous, in several 
rows. « . : : E . . J. chloropsis Ver., S. 
ENG 
Fic. 5. 
SEO 
Fic. 2. — Bici b 177 Ag. After Verrill. 
Fic. 3. — Halcampa farinacea (Ver.) Andres. After Verrill. 
Fic. 4. — Elvactis Producta (Stimp.) Andres. After Verrill. 
Fic. LS Tivanthus 7, s Ver. 
SPECIES OF BOLOCERIDE. 
18. Tentacles with strong sphincter muscles at base (often deciduous) __ 
olocera 19 
19. Polyp broad and low, height about 30 mm., diameter of oral disk about 
200 mm. ; tentacles several hundred, crowded, in some twenty indis- 
tinct rows. 3 Bolocera multicornis Ver., N., 45 fathoms 
19. Polyp massive, height about roo mm., diameter of oral disk 150- 
250 mm. ; tentacles numerous, in some three concentric rows 
B. tuedie (Johnst.) Gosse, N., 37-365 fathoms (Fig. 6) 
OER 
SAHIN) UK ASRS 
RN 
Sa T, 
65°45 LLET A 
oo ooann: 
so o 
Fic, 6. 
Fic. 7. Fie. 8. 
Fic. 6. — Bolocera tuedie (Johnst.) Gosse. After Andres. 
‘Fic. 7. — Evactis artemisia (Dana) Ver. After Dana. 
Fic. 8.— Epiactis prolifera Ver. After Verrill. 
4 
