A. E. Yen-ill Dec<ijl t'nixtucea of /.Y/-///m/</. 



B'. Fronto-orbital border ninch more than half greatest breadth of earapaee. 

 C. Carapace nodose ____ . - . /."/'"/<//I/MM", 



C'. Carapaee nut nodose. 



D. Merns i't' external maxillip-ds as Imp.; as or louder than br<ad. 



E. Fronto-orbital bonier about two-thirds ^reate-t brt-arltli of eara- 

 pace ......... - ......................... - ..... ........ I 'tin, nun* 



E'. Fronto-orbital border much more than two -thirds ^r, -at. .st breadth 

 of carapace; arm seareely projecting beyond lateral border of 



fa ra pare ....... .. ........... . ....... . ....... - ......... /.',-/y/i/r 



D'. Her us of external maxillipeds about twiee as lii-, ,a.| a^ lmiu r li<i,-i,< 



Platypodia spectabilis (Herbst i Kathbnn. culli;, Ci-ni, .- /;.,/. /.m/ I'mli. 



Cai-i-i- s/H-ctnlii/is Herl)>t. Natur. Krabb.. ii, 1 .">:;. pi. xxxvii, f. .">. IT'.M. 



Cancer lobatu M.-Kd\v.. Hist. Nat. Croat., i. p. 875, 1^-1. 



Attergatis tobatus StimpBon, Ann. I .ye. Nat. Hi-t. N. York. vol. vii. \>. '.'U'.' 



[74], 1860. 

 L<>lilnn-t,i;i Inluilii A. M.-Kdw.. N. . \reli. Mns.. Meiii.. i. p. ,'!;. pi. \\i. ti : _'. 



3, :' : Miss. Sci. Mex.. p. -'(.'. |s;n. i;, M kin. op. oit., p. ')-".. issti. 

 Cancer mm at us De-I.. C V: Seranun.. ( 'rust. (iiiad>-lou]ie. p. -j:: i^. ,\. M.-Edw.). 

 I'lii/t/jiiiilin Kfii'i-lnlit Us .M . .1. 1,'athbiin. Anier. lust. Jaluaiea. i. j>. ]:!. l s '.ii : 



Brachyura and Maeiur;i l'.>rto i;ic-o, p. -jr,. linn. Verrill. Trans. Conn. 



Acad., xi, p. 17. pi. i. ri;,'. -'. I'.Mil (deser. colors). 



FK;I 'in. Hi. I'I.ATK X 1 \". FK;I-KK fi. 



This js a sin.-ill ami rather ran- -ju-cic*, easily distinguishable ly tin- 

 form of its cara|iac-e and its remarkable coloration, u Inch appear- to 

 lie hio-hly iiroti-i-tive when the erali live> amono; the common lirioht 



>" 







Figure 10. Calico Crab. Pl'iti/podia spectabilis, enlarged about H times. After 

 A. M.-Ed\v. 



red and orange-colored sponges (Tedania //////x), actinne, etc., with 

 which it agrees well in colors, while their irregular arrangement 

 serves to break np the outline of the carapace. 



