HYDROZOA. 
Ccel. 13 
Zealand) ; denticulately sp. n., Clark (5), p. 213, pi. i. fig. 4, circulay sp. n., 
id. ibid. pi. i. fig. 4, turgiduy sp. n., id. ibid. pi. ii. fig. 8, corripressay sp. n., 
id. 1. c. p. 214, pi. ii. figs. 5 & 6, speciosay Sp. n., id. ibid. pi. iii. fig. 11, 
and urceolatuy sp. n., id. ibid. p. 216, pi. ii. fig. 7 (all from Alaska) ; 
integray McGill, id. 1. t. pi. iii. figs. 9 & 10 (Alaska) ; pygmeeay sp. n., 
Clark (6) p. 69, pi. ix. fig. 9 (Maine) ; nodiformiSy McCr., id. 1. c. p. 60, 
pi. X. fig. 6 (New England) ; calceoliferay Heks., id. 1. c. p. 60, pi. x. 
figs. 7 & 8. 
Ohelia Q) pygmeeay sp. n., Cougbtrey (7), p. 26, pi. iii. fig. 3 (New Zea- 
land) ; bicuspidatay sp. n., Clark (6), p. 68, pi. ix. fig. 1, bidentatay sp. n., 
id. ibid. pi. ix. fig. 2 (Long Island Sound). 
Gonothyrcea hyalinay Heks. id. (6), p. 216, pi. i. figs. 1 & 2 (Alaska) ; 
tenuiSy sp. n., id. (6), p. 61, pi. x. fig. 8 (Newhaven). 
Lafoea pocillumy Heks. id. (6), p. 216, pi. v. fig. 21 (Alaska) ; graciU 
limUy Sars, id. 1. c. p. 216, pi. vi. fig. 21, and Tr. Conn. Ac. iii. p. 63, 
dumosay Sars, pi. vi. fig. 23, and fruticostty S., pi. vi. fig. 22 (Alaska). 
Opercularella pumilay sp. n., Clark (6), p. 61, pi. ix. figs. 3-6 (Maine, 
Long Island) ; lacerata (Johnst.) id. 1. c. p. 62, pi. ix. fig. 6. 
Calycella syringay L., id. (6), p. 217, pi. vi. fig. 26 (Alaska) ; vat. id. (6), 
p. 63, pi. x. figs. 1-3 (Maine). 
Campanulina sp., Cougbtrey (7), p. 26, pi. iii. figs. 1 & 2 (New Zea- 
land). 
Halecium muricatum (E. S.), Clark (6), p. 217, pb iv. fig. 16 (Alaska ) ) 
? plumularioideSy sp. n.y id. ibid. pi. iv. figs. 16 & 17 ; scutumy sp. n., id. 
1. c. p. 218, pi. iv. figs. 13 & 14 (Alaska) ; mutilumy sp. n., Allman (4), 
p. 114 (Kerguelen Island) ; delicatulumy sp. n., Cougbtrey (7), p. 26, 
pi. iii. figs. 4 & 6 (New Zealand) ; articulosumy sp. n., Clark (6), p. 63, pi. i. 
fig. 6 (Maine, Long Island) ; robustumy Verrill, Tr. Conn. Ac. iii. p. 63. 
Hydrallmania (P) bicalyculay sp. n,, Cougbtrey (7), p. 29, pi. iii. figs. 8 
& 9 (New Zealand). 
Sertularia arcticay sp. n., Allman (3), p. 264, pi. xiv. figs. 1 & 2 (Spitz- 
bergen) ; ramulosay trispinosay longicosta, pumilay Cougbtrey (7), p. 29, 
pi. iii. figs. 8 & 9 (New Zealand) ; filicula (E. S.), Clark (6), p. 219, pi. vi. 
fig. 30, similisy sp. n., id. ibid. pi. ix. fig. 66, cupressoides, sp. n., id. 1. c. 
p. 220, pi. vii. fig. 37, variabiliSy sp. n., id. 1. c. p. 221, pi. viii. figs. 40-48, 
pi. ix. figs. 49 & 60, inconstansy sp. n., id. 1. c. p. 222, pi. ix. figs. 61 & 62 
and thuiarioideSy sp. n., id. 1. c. p. 223, pi. vii. figs. 38 & 39 (all from 
Alaska) ; argenteay S. E , var. divaricatay Clark (6), p. 64, pi. x. fig. 7 
(Maine). 
Sertularella tricuspidatay Heks. id.y (6), p. 224, pi. vi. figs. 26 & 27, 
rugosay L., pi. vii. fig. 31, iiolyzoniaSy Gr., pi. vii. figs. 34 & 36, robustUy 
sp. n., id. 1. c. p. 225, pi. vii. figs. 32 & 33, and pinnatay sp. n., id. 1. c. 
p. 226, pi. vi. figs. 28 & 29 (all from Alaska) \johnstoniy (ir., Allman (3), 
p. 261, pi. xiii. figs. 1 & 2, integray sp. n., id. 1. c. p. 262, pi. xiii. figs. 3 & 4, 
and episcopus, sp..n., id. 1. c. p. 263, pi. xiii. figs. 5^-7, ibid.y = S. fusi. 
formisy Hutt. (New Zealand) ; JeerguelensiSy sp. n., id. (4), p. 113, unU 
lateralisy sp. n., id. 1. c. p. 114, and lagenay sp. n., id. ibid. (Kerguelen’s 
Island) ; robustay sp. n., Cougbtrey (7), p. 26, pi. iii. figs. 4 & 5 (New Zea- 
land). 
