A MONOGRAPH OF THE EXISTING CRINOIDS 377 



Cape Frio, Brazil, 35-45 fathoms); pi. 4, figs. 4, a-c; pi. 56, figs. 1, 2. BRAUN, Centralbl. f. 

 Bakteriol. u. Parasitenkunde, vol. 3, 1888, pp. 185, 186 (myzostomes) . WALTHER, Einleitung 

 in die Geologie als historisches Wiss., 1894, p. 298. SPRINGER, Mem. Mus. Comp. Zool., vol. 

 25, 1901, No. 1, p. 34 (early stages iu relation to Uintacrinus); p. 51 (comparison with Uinta- 

 crinus); p. 56 (pentacrinoids) . H. L. CLARK, Bull. U. S. Fish. Comm., vol. 20 (for 1900), 

 1902, pt. 2, p. 235 (in key; Fish Hawk stations 6063, 6066). MCCLENDON, Bull. American 

 Mus. Nat. Hist., vol. 22, 1906, p. 120 (myzostomes). HAMANN, Bronns Klassen und Ordnun- 

 gen des Tier-Reichs, vol. 2, Abt. 3, 1907, p. 1584 (listed).- HARTLAUB, Mem. Mus. Comp. 

 Zool., vol. 27, No. 4, 1912, pp. 280, 281, 413 ( = echinoplera); p. 419 (Muller's echinoptera, in 

 Hartlaub's opinion, identical with this predominant form in the Blake collection); p. 421 

 (myzostomes); p. 422 (discussion). A. H. CLARK, Smiths. Miscell. Coll., vol. 61, No. 15, 

 1913, p. 76 (B. M., MS = Comac(inzo echinoptera + C. meridionalis) . 



Aclinometra echinoptera P. H. CARPENTER, Bull. Mus. Comp. Zo61., vol. 9, No. 4, 1881, p. 156 [p. 6 of 

 separate] (specific validity). -BELL, Proc. Zool. Soc. London, 18S2, p. 533 (listed); p. 535 

 (specific formula). -P. H. CARPENTER, Proc. Zool. Soc. London, 1882 (1883), pp. 744 et seq. 

 (discussion of Bell's method of formulation, and corrected formula) ; Challenger Reports, Zoology, 

 vol. 26, pt. 60, 1888, pp. 300, 302 (possible identity with meridionalis) . BELL, Proc. Zool. Soc. 

 London, 1894, p. 402 (habitat unknown; comparison with Act. [Comissia] peregrina. HAMANN, 

 Bronns Klassen und Ordnungen des Tier-Reichs, vol. 2, Abt. 3, 1907, p. 1584 (listed). HART- 

 LAUB, Mem. Mus. Comp. Zo61., vol. 27, No. 4, 1912, p. 280 (listed); p. 281 (this species and 

 Antedon [Crinometra] brevipinna comprise the bulk of the Blake collection; no species so variable 

 in its characters as this); p. 413 (listed); pp. 415-471 (synonymy; detailed account); p. 416 

 (?loc. [type]); p. 418 (locality unknown); p. 425, fig. 12. 



Actinomedra meridionalis VON GRAFF, Bull. Mus. Comp. Zool., vol. 11, No. 7, 1883, p. 132 (my- 

 zostomes) . 



Actinometra meridionalis var. quadrata (P. H. Carpenter, MS.) VON GRAFF, Bull. Mus. Comp. Zofll., 

 vol. 11, No. 7, 1883, p. 127 (women nudum; myzostomes). VON GRAFF, Challenger Reports, 

 . Zoology, vol. 10, pt. 27, 1884, pp. 20, 39 (Blake stations 203 and 278; myzostomes). HART- 

 LAUB, Mem. Mus. Comp. Zoo 1 !., vol. 27, No. 4, 1912, p. 421 (same as preceding). 



Actinometra meridionalis var. carinata (part) (P. H. Carpenter, MS.) VON GRAFF, Bull. Mus. Comp. 

 Zofil., vol. 11, No. 7, 1883, pp. 130, 131, (off Cape Frio, Brazil). VON GRAFF, Challenger Re- 

 ports, Zoology, vol. 10, pt. 27, 1884, pp. 15, 16, 19 (same). BRAUN, Centralbl. f. Bakteriol. u. 

 Parasitenkunde, vol. 3, 1888, pp. 186, 210 (same). 



Actinomelra, sp. VON GRAFF, Challenger Reports, Zoology, vol. 10, pt. 27, 1884, p. 41 (closely allied 

 to, if not identical with, Act. meridionalis; myzostomes; near Barbados). 



Actinometra blakei (P. H. Carpenter, MS.) VON GRAFF, Challenger Reports, Zoology, vol. 10, pt. 27, 

 1884, p. 19 (myzostomes) ; p. 39 (Blake station 172); p. 46 (Blake stations 39, 203). HARTLAUB, 

 Mem. Mus. Comp. Zo61., vol. 27, No. 4, 1912, pp. 230, 413 (listed); p. 420 (history); p. 421 

 (Blake stations 39, 172; myzostomes); pp. 471-473 (but not the specimen described from 

 station 171 [figured on pi. 13, fig. 9] which is Nemaster iowensis). 



Actinometra brasiliensis P. H. CARPENTER, Challenger Reports, Zoology, vol. 26, pt. 60, 1888, p. 302 

 (Bahia, 7-20 fathoms; off Cape Frio, 35-45 fathoms) ; pi. 4, fig. 4. 



Actinometra rubiginosa (not Antedon rubiginosa Pourtales, 1869) H. L. CLARK, Bull. U. S. Fish 

 Comm., vol. 20 (for 1900), 1902, pt. 2, p. 235 (in key; Fish Hawk station: 6088, 6090). 



Comaster echinoptera A. H. CLARK, Proc. U. S. Nat. Mus., vol. 33, 1908, p. 686 (listed). 



Comaster meridionalis A. H. CLARK, Proc. U. S. Nat. Mus., vol. 33, 1908, p. 686 (listed). 



Phanogenia echinoptera A. H. CLARK, Proc. U. S. Nat. Mus., vol. 35, 1908, p. 124 (listed). 



Phanogenia meridionalis A. H. CLARK, Proc. U. S. Nat. Mus., vol. 35, 1908, p. 124 (listed). 



Comactinia echinoptera A. H. CLARK, Vidensk. Medd. fra den naturhist. Forenmg i K0benhavn, 

 1909, p. 149 (occasionally possesses very long and greatly attenuated arms like Comatula 

 pectinala); p. 150 (compared with Cominia [Comatulides] decameros); Proc. U. S. Nat. Mus., 

 vol. 43, 1912, p. 383 ( = Alecto echinoptera J. Miiller, 1841); p. 389 (discussion, and comparison 

 with Neocomatella alata [i. e., pulchella]); p. 390 (belongs to the Comactiniinae) ; Crinoids of the 



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