Chap. IX. 



TABULAR VIEW 



351 



Staiirophora Br. 



St. Mertensii Br., Pis. 24 and 2^x — Norfolk Sound (Merten.s). 



St. laciniata Ag., Mem. Amer. Acad., IV. PI. 7. — MassacJmseiis Bay 

 (Agassiz). 

 Lap hoe a Lamx. — Atractylis TTr. (p. p.). — Campanuliiia VanBened. 



L. coriuita Laniz} — Neivfoxindland (Lamouroux). — Naushon, Buzzard's 

 Bay (A. Agassiz). 



L. dumosa Ag. — Campanularia dumosa Fkm., Johnst., Zooph., p. 

 114, fig. 20.— Atractylis repens Wr., Edinb. Phil. Journ., 1859, 

 PL 1, fig. 5. — Campanulina tenuis VanBcncd., Bull. Ac. Belg., 

 1847. — British Seas (Fleming); Ostcndc (VanBeneden). 

 Trichydra Wright. 



T. pudica Wright, Ed. Phil. Journ., 1858, Vol. VII., PI. .3, fig. 1. 

 6th Family. Eucopid^ Gegenh. (restricted). See note 2, p. 352. 

 Obelia Per. and LeS. — Hydra: a branching Campanularia. 



0. sphaerulina Per. and LeS. ; DeBl., Actin., PI. 41, fig. 3. — Cam- 

 panularia geniculata Van-Ben., PI. 3, figs. 1-6. — Holland (Peron 

 and LeSueur) ; Ostcndc (VanBeneden). 



0. leucostyla Ag. — Thaumantias leucostyla Will. — PI. 2, fig. 16. — 

 Trieste (Will). 



0. commissuralis McCr. — Charleston (McCrady) ; Naushon (A. Agas- 

 siz) ; 3Iassachusetts Bay and Grand Manan (Agassiz). 

 Eucope Gegenh. — Hydra: a branching Campanularia. 



E. polystyla Gegenh., PI. 8, fig. 18. — Messina (Gegenbaur). 



E. plana Ag. — Thaumantias plana Sars, Beskr., PI. 5, fig. 13. — 

 Norway (Sars). 



E. lucifera Ag. — Thaumantias lucifera Forhes, PI. 10, fig. 2, under 

 the name of Th. lucida. — Zetland (Forbes). — Laomedea geni- 

 culata Gosse, Devon., PI. 4, and Campanularia gelatinosa Van- 

 Ben., Pis. 1 and 2, may be the young of this species. 



violet pigment spot. The ovaries and digestive 

 cavity are of the same color as the tentacular bulb. 

 Diameter across the circular tube one inch, height, 

 half an inch. — Naushon, Buzzard's Bay (A. Agassiz). 

 ' Laphoea cornuta Lamx. The free Medusa re- 

 sembles that of Atractylis repens of Wright. Ten- 

 tacles shorter, lasso-cells arranged in spirals along the 

 two long tentacles. Large white pigment-cells at the 

 base of the tentacles and at the base of the diges- 



tive cavity. Hydra^ creeping upon stems of Dy- 

 nnnicna. Sterile hydra; alternating upon the stem, 

 moderately close together ; calyx curved at the 

 base. Reproductive calycle very large, egg-shaped, 

 smooth, containing, in an advanced state of devel- 

 opment, one Medusa only. Height of the Medusa, 

 one sixteenth of an inch. — Nauslion, Buzzard's Bay, 

 September (A. Agassiz). The knowledge of this 

 Medusa gives a clue to the position of Trichydra. 



