482 



MEDUSA OP THE WORLD. 



them. 16 marginal lappets alternating with the 16 tentacles. Peronial canals and a marginal 



ring-canal are present. Velum will developed. Stomach with 1 6 equally developed pouches 



in the radii of the 16 tentacles. 16 horseshoe-shaped gonads in the peripheral parts of the 16 



stomach-pouches. South of the Cape Verde Islands in about 10° N. lat. off the African coast, 



from a depth of 500 fathoms. The 8 stomach-pouches in the radii of the 8 small tentacles are 



narrower and shorter than the 8 in the radii of the longer tentacles. The medusa is apparently 



immature. 



Genus SOLMISSUS Haeckel. 



Solmissus, Haeckel, 1879, System der Medusen, p. 349.— Bigelow, H. B., 1909, Mem. Mus. Comp. Zool. at Harvard College, 

 vol. 37, p. 63. 



GENERIC CHARACTERS. 



Similar to Cunina but without otoporpae above the marginal sensory-clubs and without 

 a marginal peronial canal-system. 



The type species is Sohnissus albescens of the Mediterranean. 



*For Solmissus marshalli and 5. incisa see text. 



Solmissus albescens Haeckel. 



Cunina albescens, Gegenbaur, 1856, Zeit. fiir wissen. Zool., Bd. 8, p. 260, taf. 10, fign. 3, 4. 



Cunina monela, Leuckart, 1856, Archiv. fiir Naturgesch., Jahrg. 22, p. 36, taf. I, fig. 13; taf. 2, fig. 12. 



Cunina solmaris, Hertwig, O. and R., 1879, Nervensyst. Sinnesorganc der Medusen, pp. 19, 34, taf . 1, fign. 7-10; taf. 10, fig. 6. 



Solmissus albescens, Haeckei,, 1879, Syst. der Medusen, p. 350. 



Pohxenia albescens, Metschnikoff, E., 1886, Embryol. Studien an Medusen. Wien, pp. 23 (egg), 65 (formation of germ layers). 



