LEPTOMEDUS.E — TIMA, .EQUORID.E. 



319 



Tima bairdii Forbes. 



Diancea bairdii, Johnston, 1833, London's Magazine of Nat. Hist., vol. 5, p. 320, fig. 41. 



Tima bairdii, Forbes, 1848, British Naked-eyed Medusa?, p. 37, plate 5, figs. 1-1&. — Haeckel, 1879, Syst. der Medusen, p. 205. — 

 Bedot, 1905, Revue Suisse de Zool., tome 13, p. 151 (citation of references, 1833-1850). 



For description see synoptic table of species of Tima. This form has been seen occasion- 

 ally ofFthe coast of Scotland. It may prove to be the young of Tima formosa of the American 

 North Atlantic. There is no modern description of the European medusa, and the animal is 

 probably an Arctic form which occasionally appears upon the coast of Scotland in autumn 

 and winter, but is more commonly found in the cold water of the coast ot the New England 

 States. 



Tima flavilabris Eschscholtz. 



Tima flavilabris, Eschscholtz, 1829, Syst. der Acalephen, p. 103, taf. 8, fig. 3. — De Blainville, 1834, Man. d'Actinologie, 

 p. 286, plate 38, fig. 1 . — Haeckel, 1879, Syst. der Medusen, p. 204. — Bedot, 1905, Revue Suisse de Zool., tome 13, p. 132 

 (references 1829-1850). 



For description see synoptic table of species of Tima. This "species" was found by 

 Eschscholtz northeast of the Azores in May; I am inclined to believe that it is only the young 

 of T. formosa L. Agassiz. 



Tima teuscheri Haeckel. 



Tima teuscheri, Haeckel, 1879, Syst. der Medusen, p. 206, taf. 12, fign. 3-5. 



Medusa bell-shaped, about half as high as wide, being 20 mm. high and 40 mm. in diam- 

 eter. 8 large tentacles, 4 radial and 4 interradial; these principal tentacles are about as long 



as the bell-diameter, their basal 

 bulbs are long and conical and 

 about twice as wide as the sronads. 

 In addition to the 8 long tentacles, 

 there are 40 short ones about a fifth 

 as long as bell-diameter and with 

 thick conical bases. There are 

 also two rows of 60 to 80 conical 

 nematocyst-warts upon the bell- 

 margin, and between them 60 to 

 80 short, spiral cirri, irregularly 

 placed along the margin. The 70 

 to 80 lithocysts have each 2 to 4 

 spherical concretions. Velum well 

 developed. Peduncle 4-sided and 

 pyramidal, about 3 times as long 

 as broad, and in length about 

 equal to bell-diameter. Stomach 

 very small, nearly spherical, 4 wide 

 lance-like lips, with curved, folded 

 edges, about a fourth as long as 

 bell-diameter. 



F,G. ,79.-77,™ teuscheri, after Haeckel, ,879. Haeckel describes this Species 



from a single poorly preserved specimen found off the coast of Brazil in N. lat. 3 , W. 

 long. 25 . Our account is a translation of his description. 



Family jEQUORIDjE Eschscholtz, 1829. 



Mquoridct (in part), Eschscholtz, 1829, Syst. der Acalephen, p. 108. 



Mquorida, Agassiz, L., 1862, Cont. Nat. Hist. U. S., vol. 4, p. 359.— Agassiz, A., 1865, North American Acalepha, p. 95. — 



Haeckel, 1879, Syst. der Medusen, p. 207. — Maas, 1893, Ergeb. der Plankton Exped., Bd.J, K. c, pp. 6, 7; 1904, Result. 



Camp. Sci. Prince de Monaco, fasc. 28, pp. 21-24; '9°5> Craspedoten Medusen der Siboga Exped., Monog. 10, p. 44. 



FAMILY CHARACTERS. 



Leptomedusae with lithocysts and with numerous (8 to 100 or more) simple or branched 

 radial-canals upon which the gonads are developed. 



26 



