380 



A. E. VerriU Dccn/><l Crustacea of Bernnnli. 



Achelous Sebas (II. M.-K<l\v.i Smith. 



/// a, (ON sanguinolentus (pars) Lativill.-, Ku.-yr. Mfthl.. pi. -';>'. ti-. (i. 

 i non Herbst sp. nee Stiinp>n i 



H. M.-Kihv.. Mi-t. Nat. (.'rust.. i. p. \~>~>. 1^:: I. 



Ste&OE \. M.-Khv.. Aivh. Mn-;. Mi-it. Nat.. x. p. :.".. pi. xxviii. ti--. 

 J. 2a, 1SI.51 : Miss. Sri. M.-x.. \. p. -.'17. ls;<i. 



.l,7(r/i/N .sV//,< S. I. Smith. Crust. I'.ra/.il. th.-s.- Trans. . ii. p. :',!. isil'.i ( !',r;,/il I. 

 N i.tc/(c/oN) x '"' Hatlibnn, Brarh. and M;u-r. 1'nrln Him. ]>. 1H. 1JI01. 



l-'ii.i 1:1 



'Fills fine s]iccics ^n>us t-> l;if-i' si/c. It i< ni-ily ri'cii^-ni/.cd by 

 an ii|pri^lit, .-iciitc -pine <>n tin- l:i-al joint of the |p<tfi-ior lc^>, and 

 a sinall spinuk' on the outer di-t il an^le of t lie UK nis joint .if the 

 same le.u> : and when recent liy a |>air of lar-e round red spot- ,ui 

 tlie flanks of the earajtaee. IJut tlie-e spots are lialtle to f.-ide in 

 alcohol, and in dry specimens exposed to li^-ht, l>eeomin._r paU- yellow. 



Figure ~7. _ir/(c/iiiix :.'i7i('. about '- nat. -!/: //. abdomen of male. After 

 A. M.-E(l\vanls. 



It is said to be the only species having an upright spine on the 

 basal joint of the swimming legs. 



The chela 1 Lave two distal dorsal spines, one behind the other. 

 The middle two frontal teeth are a little more prominent than the 

 outer ones, which are more acute. The inner orbital tooth is acute. 

 The posterior lateral tooth is sharp, rather long, somewhat curved 

 forward, and bears the small preceding tooth on the inner basal 

 portion. 



In life the carapace and legs are closely pubescent and the legs 

 and chelipeds are fringed with longer red hairs. The merus of the 



