22 Dr. J. E. Gray on the Family Pennatulidee, 



** Ovate ; stem thick, \ the entire length ; cells separate. 



2. P. pulchella. Pinnules broad, membranaceous, slightly 

 grooved, with close cells. Herkl. Not. 16. t. 1. f. 2. North 

 Cape ; coast of Scotland. British Museum. (Not before no- 

 ticed as British.) 



#** Broad, oblong ; stem % the entire length ; cells crowded. 



3. P. rubra. Pinnules membranaceous, elongate; cells 

 short, numerous, twenty or twenty-one, crowded, scarcely 

 divided, in a single series. Bohadsch, t. 8. f. 1-5. Mediterra- 

 nean ; coast of England. 



4. P. borealis. Pinnules broad, with three marginal series 

 of cells. Sars, Fn. Litt. Norv. 17. t. 2. North Sea. 



6. LEIOPTILUS. Pinnules elongate, angular, fleshy, slightly 

 grooved, without any elongated radiating spine. Cells crowded 

 in a double series on the edge of the pinnules. Rachis granular 

 behind. 



1. L. fimbriata, Herklots, Not. 18. t. 3. f. 3, t. 4. f. 1. Japan. 



7. PTEROEIDES, Herkl. Pinnules elongate, angular, expanded 

 and supported by radiating spines. Eachis smooth. 



a. Pinnules elongated, well-developed r , broader than rachis. 

 * Elongate, lanceolate ; stem the entire length ; the apex naked. 



1. Pteroeides elegans, Herklots, Notic. 20. t. 6. f. 2. Indian 

 Ocean. 



** Elongate, lanceolate ; stem | the entire length. 



2. P. grandis; Pen. grandis, Pallas ; P. argentea, Ellis, 

 Zooph. t. 8. f. 1-3. Indian Ocean. 



*** Elongate-oblong ; stem ^ or ^ the entire length. 



3. P. oblonga. Elongate oblong. Pinnules 32 . 32, elon- 

 gate, rather longer than the breadth of the base, subtri- 

 gonal. Stem elongate, half the entire length, tapering at the 

 base. Australasia; Swan River. Brit. Mus. 



4. P. grisea. Stem one-third the entire length. Pen. grisea, 

 Bohadsch, t. 9. f. 1-3; Pteromorpha crispa, Herklots, Not. 19. 

 t, 5 ? Hab. . Brit. Mus. 



**** Oblong, very broad; stem ^ the entire length. 



5. P. latipinnarum, Herkl, Not. 29. t. 4. f. 5. Mediterranean. 



6. P. Jukesii. Broad, oblong. Pinnules 43 . 43, short, broad, 

 subtrigonal; under ones attached by a narrow base. Stem 

 elongate, one-half the entire length, thick, the upper part much 



