12S MF.nrs.r, OF THF, WORLD. 



developed, complexly folded lips. The lips and tentacle-bulbs are of a light port-wine color 

 .nul the gonads and radial-canals are of a still lighter shade. A single specimen of this 

 medusa was found in a surface haul on August 26, 1899, off the Pacific coast of Lower Cali- 

 fornia; N. lat. 51 10', \V. long. 125. It is separated from T. papua and T. [>ilf<ita by the 

 absence of ocelli. 



Turris conifera Haeckel. 



Tiara coni frni, HAF.CKFI., 1879, Syst. der Meilusen, p. 59. FEWKES, 1888, Report on Medusa? of the Lady Franklin Bay Ei- 

 pi-dition, p. 43. LFVINSF.N, 1893, Vid. Meddel. Nat. For. Kjobenliavn (5), Bd. 4, p. i44.--GKijNiir.RU, 1898, Zoolog. 

 [ahrh., Abth. Svst., Bil. i I, pp. 454, 460. LINK", 1904, Zool. Anzriger, Bd. 28, p. 215. 



Bell cone-shaped, with a large, conical, apical projection. It is about 25 mm. in height 

 and 20 mm. in diameter. There are 24 to 48 tentacles which are longer than the bell-diameter 

 and which have wide, conical bases. Ocelli ( ?) The manubrium is quadratic in cross- 

 section and is somewhat longer than wide. The base is wide and cruciform, and the 4 radial 

 coiners are wide where the radial-canals enter the stomach. The 4 lips are very prominent 

 and are thrown into complex crenulations and folds. The gonads are composed ot about 

 10 pairs of regularly arranged, simple transverse or oblique ridges across each ot the 8 adradial 

 regions of the stomach and are separated in the 4 interradn. 



This form is very closely related to Turris pileata, with which it may, indeed, prove 

 identical. Haeckel says that it is distinguished from both T. pileata and T. reticulata by the 

 regular feathered gonads and by the smallness of the 4 funnel-like origins of the radial- 

 canals where they join the stomach. The oral lappets are smaller and less crenulated than 

 in 7 . pili-titii or T . rrticulatn. The conical, apical projection is half as high as the bell. Color ( ?) 



This species is found off the coast of Greenland. Linko, 1904, also found it in Barents 

 Sea, north of Lapland, and its distribution is, therefore, probably circumpolar in common 

 with other Arctic species ot Turns. 



Turris campanula. 



Calablema campanula^ HAF.CKFJ, 1879, Syst. der Medusen, p. 63, taf. 4, fign. 4, 5. LF.VINSEN, 1893, Vid. Meddel. Nat. For. 

 Kjohenhavn (5), Bd. 4, p. 144. GRONBERG, 1898, Zoolog. Jahrb., Abth. Syst., Bd. 1 1, p. 460. LINKO, 1904, Zool. An- 

 zeiger, Bd. 28, p. 21?. BF.DOT, 1901, Revue Suisse de Zool., tome 9, p. 482; Ibid., 1905, tome 13, p. 132 (list of refer- 

 ences to 1850). 



Bell about 20 mm. wide and 20 mm. in height. There is a well-developed, conical, 

 apical projection, which is hollow and contains a prolongation ot the gastric cavity. There 

 ate 24 to 48 tentacles which are longer than the bell-diameter. Their bases are long and 

 thick. No ocelli. The 4 radial-canals and the circular tube are wide and flat and have 

 numerous complex, or simple, blindly-ending side branches resembling those of T. cury- 

 stomn. The manubrium is wide and shallow and the 4 lips are thrown into complex 

 crenulations and folds. The 4 gonads are found within 4 crescent-shaped swellings upon 

 the 4 interradial sides of the stomach. A number of simple, straight, longitudinal folds or ridges 

 extend across the crescent-shaped gonad; the horns of each crescent are directed downward, 

 toward the velar opening. The manubrium, gonads, canals, and tentacles are yellow. 



This species is found off the coast of Greenland and at Spitzbergen, and Linko found 

 it in Barents Sea, north of Lapland. 



Turris eurystoma. 



Calablema eurystoma, HAECKEL, 1879, Syst. der Medusen, p. 64, taf. 4, fign. 6, 7. LF.VINSEN, 1893, Vid. Meddel. Nat. For. 

 Kjobenhavn (5), Bd. 4, p. 144. GRONBERO, 1898, Zoolog. Jahrb., Abth. Syst., Bd. 11, p. 462. 



Bell about 20 to 25 mm. in diameter, and spheroidal, being flatter than it is high. There 

 is a spheroidal, apical projection which varies in size from about one-fourth to almost as large 

 as the bell itself. This apical projection is always solid. The sides of the bell are quite thin. 

 There are about 24 to 48 well-developed tentacles which are much longer than the bell- 

 diameter. These tentacles have long, conical basal bulbs. In addition to the long tentacles 

 there are usually 24 to 32 small, immature, or rudimentary tentacle-bulbs which alternate 

 with the long tentacles. Ocelli ( ?) There are 4 radial-canals, each of which is about 3 mm. 

 wide in the middle and only 2 mm. wide at either end. Both the radial-canals and the circular 



