A MONOGRAPH OF THE EXISTING CRINOIDS 



By AUSTIN HOBART CLARK 



Order COMATULIDA A. H. Clark (continued) 



Suborder OLIGOPHREATA A. H. Clark (continued) 



Super-family TROPIOMETRIDA A. H. Clark (continued) 



Family THALASSOMETRIDAE A. H. Clark 



Basicurva group (in part) P. H. CARPENTER, Challenger Reports, Zoology, vol. 26, pt. 60, 1888, p. 

 102 (Anledon valida, A. incerta, A. gracilis, A. lusitanica, A. breviradia, A. spinicirra, A. acutiradia, 

 A. bispinosa, A. latipinna, A. multispina, and A. echinata; A. longicirra is referable to the Astero- 

 metridae, A. denticulata to the Himerometridae, A. pusilla to the Antedonidae [Perometrinae], 

 and the remaining species to the Charitoraetridae) ; for further references to this group see Part 

 4a, p. 180. 



Spinifera group (in part) P. H. CARPENTER, Challenger Reports, Zoology, vol. 26, pt. 60, 1888, p. 211 

 (Antedon quinquecoslata, A. spinifera, A. duplex, A. lusitanica, and A. compressa; A. macronema 

 is referable to the Ptilometridae and A. flexilis, A. patula, A. robusta, A. pourtalesi, and A. brevi- 

 pinna to the Charitometridae) ; Journ. Linn. Soc. (Zool.), vol. 21, 1889, p. 308 (species compared 

 with Antedon andersoni [= Pontiometra andersoni; Colobometridae]) . HAETLAUB, Nova Acta 

 Acad. German., vol. 58, No. 1, 1891, p. 13 (diagnosis; range; 12 species), p. 75 (diagnosis; re- 

 marks). BELL, Proc. Zool. Soc. London, 1894, p. 399 (description of Anledon bassell-smithi, 

 sp. nov. [=Comatclla stelligera]), p. 400 (descriptions of A. vicaria [=Mariamelra vicaria], A. 

 brevicirra [=Comasler distincla], and A. flavomaculata [= Stephanometra indica protectus], spp. 

 nov.), p. 401 (descriptions of A. moorei [ = Lamprometra palmala palmala] and A. fieldi [ = ?], 

 spp. nov.). HARTLAUB, Bull. Mus. Comp. Zool., vol. 27, No. 4, 1895, p. 136 (structural posi- 

 tion). MINCKERT, Arch. Naturg., Jahrg. 71, vol. 1, 1905, pp. 207, 225. A. H. CLARK, Proc. 

 U. S. Nat. Mus., vol. 33, 1907, pp. 127, 129 (descriptions of new species); Smithsonian Misc. 

 Coll., vol. 50, pt. 3, 1907, pp. 343, 344 (characters differentiating this group not diagnostic), 

 p. 359 (part of species included in Thalassometra, gen. nov.), p. 361 (most of the species not in- 

 cluded in Thalassornclra are included in Charilometra, gen. nov.). HARTLAUB, Mem. Mus. 

 Comp. Zool., vol. 27, No. 4, 1912, pp. 286, 309 (discussion), p. 310 (geographical distribution). 



Granulifera group (in part) P. H. CARPENTER, Challenger Reports, Zoology, vol. 26, pt. 60, 1888, p. 

 239 (Anledon muliispina and A. porrecta; the other species belong to the Charitometridae); for 

 further references sec p. 192. 



Thalassometridae A. H. CLARK, Proc. Biol. Soc. Washington, vol. 21, 1908, p. 136 (includes Poecilo- 

 metra, Thalassomelra, and Charilometra); Proc. U. S. Nat. Mus., vol. 34, 1908, p. 210 (in key), 

 p. 211 (includes Thalassometra, Slylometra, Charitometra, and Poecilomelra; range; represented 

 in the Hawaiian Islands), p. 212 (range of component genera); Proc. U. S. Nat. Mus., vol. 35, 

 1908, p. 120, fig. 19 (arm structure); Amer. Nat., vol. 42, No. 503, 1908, pp. 724, 725 (color); 

 Proc. Biol. Soc. Washington, vol. 22, 1909, p. 1 (revision; division into two subfamilies; descrip- 

 tions of new genera) ; Proc. U. S. Nat. Mus., vol 36, 1909, p. 361 (part of Antedon of P. H. Car- 

 penter), p. 362 (perfected ambulacra! plating only in this family and in the Tropiometridae), 

 p. 365 (covering plates in two rows instead of one as in Comatilia; side and covering plates found 

 in the pentacrinoids) ; Proc. Biol. Soc. Washington, vol. 22, 1909, p. 174 (referred to the Coma- 

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