OPIIIUC'OMA SCOLOPENDlilXA. 



87 



LIST O F S 1' E C I M K N S , 



Oiitnlosue Oriiiiniil Kumber 

 Xainl)cr. Nuiiibur. of Spec. 



:W7 



312 

 313 

 314 

 315 

 31(; 



3(;(; 



3(iS 

 3U!) 

 370 

 3(5 7 

 431 



Lociklity. 



When 



CollL-cteJ. 



Whence obtaineJ. 



■21] Si 2S 



Mnsenm of Comparative Zoology. 



Zanzilcir. 

 Sinilwicli Islaiiils. 

 Suiilwicli Inlands. 

 S iiidwicli Islands. 

 Kiiiusiiiills Islands. 

 Kiiiii'sinills Islands. 

 Zanzibar. 

 Zanzibar. 

 Zimzibar y 

 M()zainl)i(|m>. 

 Socii'tv Islands, 

 lies Seychelles. 



Mr. Cheney. 



A. (Jarrett. 



A. (Jan-ett. 



A. (iarrett. 



A. (Jarrett. 



A. rjarrett. 



E. Hopes. 



Capt. Webb. 



Salem Normal School. 



C. Cooke. 



A. Garrett. 



Jardin des Plantes. 



Nature of 

 SiH'cirucn. 



Alcoholic. 



Dried. 

 Alcoholic. 

 Dried. 

 Alcoholic. 



Ophiocoma scolopendrina Agass. 



Ophiura scolopendrina Lamk. Ilist. An. sans Vertel)., 11. p 544. 



Ophiocoma scolopendrina Ac; ASS. Prodrome. Mem. Soc. Scien. Nat. Neuchatel, I. 1835. 



Ophiocoma scolopendrina Lutken. Additamenta ad Hist. Oph., p. 163. 



Ophiocoma moluris Lymax. I'roceed. Boston Soc. Nat. Hist., VIII. p. 7'J. 



Special Marks. — Arms five and a half to eight tnnes the diameter 

 of the (hsk. Spines ringed with darker and hghter ; upper one lon'i-est. 



Color, grayish or mottled. 



Granulation of disk even, and rather fine 



Description of a Specimen. — Diameter of disk, 24""™- ; width of arm 

 without spines, 4™"- ; length of arm, 137"""'. Mouth-papillae eleven or 

 twelve, the innermost two much the smallest. Tooth-papillae seven or 

 eight, rather large. Teeth four, upper one narrowest and sharpest. 

 Mouth-shields longer than broad, much narrower within than without, 

 pretty regular ; bounded without by a curve, within and on the sides 

 by straight lines ; length to In^eadth, 2.6 : 2. Side mouth-shields small, 

 triangular, lying on the sides of the mouth-shields. Under arm-plates 

 rather broader than long, hexagonal, the outer side and outer laterals 

 being more conspicuous than the corresponding sides within ; length to 

 breadth (tenth plate), 1.5 : 2. Upper arm-plates broader than long, 

 quite irregular, varying in breadth according to the encroachment of 

 the upper arm-spines ; oval, with pointed lateral corners ; length to 

 ])readth (seventh plate), 1.5 : 3.4. Disk regularly, but rather loosely 

 granulated, 20 to a square mm. ; below, interbrachial spaces granulated, 

 except a band along each genital slit. Arm-spines near base of ann, 

 alternating four and three, slender, elegant, little tapering, somewhat 



