72 CHARS OF FAMILY MAIID.E KATIIIUTN. 



IJiTiii,-; Sen ; l'. S. I'isli ( 'oiimiission S(r,niifr .///(((//ox.v, ISitO ;iih1 ISItl : 



Cat. 

 No. 



ir>s7o 



15X7] 

 ir.872 

 1587;! 

 15874 

 15S75 

 15870 

 15S77 

 15878 

 15870 

 15S80 

 15881 

 1588-J 

 1588;t 

 15884 

 15885 

 15S8(> 

 15.SS7 

 15S8S 

 1588it 

 15890 

 15891 

 1589.T 

 1.5892 

 15894 

 17077 

 17078 



SUtimi. 



Lilt. ^^ 



58 21) 30 



ri8 ;!i 15 



58 11 liO 

 57 35 50 

 57 22 20 

 57 05 50 

 56 12 30 

 56 25 10 

 o(i 27 00 

 .50 M 00 

 5() .'to 45 

 5<) 28 (10 

 .50 10 30 

 50 39 30 

 56 26 30 



56 58 30 



57 14 00 

 57 30 00 

 57 16 45 

 57 38 00 

 57 45 45 



57 27 00 



58 02 30 

 57 51 30 

 57 24 30 

 57 06 30 

 57 00 00 



Loiisr. w 



161 30 OJ 

 102 22 00 



163 02 45 

 104 05 01) 



164 24 40 

 104 27 15 

 102 13 00 

 102 39 15 



162 08 01) 

 161 41 15 

 161 iJO 15 

 Kil 16 30 

 10) 53 00 



100 29 00 

 16.) 00 00 

 159 11 OU 

 1.59 35 00 

 159 33 OU 



159 03 .30 

 15!) 07 30 



160 12 15 

 ICO 2! 30 



101 13 45 

 101 40 00 



161 17 01) 

 170 22 30 

 170 35 GO 



Materials. 



(J.. 

 Inc. 



ay. S. C. 



gy- «"• 



s 



ff.y-S 



sy- 'S 



ay- « 



S. l)k. Si) 



S. juni. M 



fiy-'« 



CJ 



gy. S. Sh. Gr. 



(i 



S. G 



S.G 



gy- s 



G 



S 



sy-s 



s 



fiy. S 



gv.s 



sy. s 



{;y-«-«i' 



,l>k. S 



Date. Koniarks. 



Juno 9 

 13 



i:i 

 U 

 U 

 II 



28 

 28 

 29 

 29 

 23 

 July 17 

 17 

 18 

 18 

 18 

 18 

 19 

 21 

 21 

 21 



Al.iiiiilaiit. 



Au" 



Do. 

 Do. 



Do. 



Hyas lyiatus Dana. 



riati' III. 



Amor. .Jour. 8ci. (2), xi, i>. 2(>S. 1S.->1 ; Cnist. V. S. Kxpl. Exped, i, p. 86, pi. i. tiji. 1, 

 1852. Stiiiipsdii, .lour. Ro.stoii 8()c. Nr.t. Hist., vi. }). 150, 1857. Lockiiiftton. Tior. 

 Cal. Acad. Sci., \ ii, p. Gl, 187(5. Micrs, Challenger Kept., Zool., xvii, p. -17, 188G. 



liiirge specimens of this species show characteristics soiuewliat ditler- 

 ent Irom the examph' li.miretl by Dana. The carapace is very broad 

 posteriorly, stronj;]y tnbercnhite. Tlie tubercle at tlie middle of the 

 posterior niai\nin is large and rounded. There is a subacute tubercle 

 on the posterior margin of the wing-like exi)ansion. The tubercle at 

 the anteroexternal angle of the basal antciiiial Joint is large, sniootli, 

 and constricted at base, ('hclii)C(ls long and strong; nicrus and carpus 

 tubercuhite; merus with a ridge of huge, irregular tubercles above; 

 hand slightly compressed, roughly granulate, ridged above. Ambula- 

 tory legs, slightly pubescent exce])l the daclyls, which arc densely so. 



Ilinuiixioiin ol' llin'f liiriicsl iiixlcy. 



Cat. 

 No. 



5872 

 .5213 

 15922 



Lon-itli. 



I.rn.iitll 



of cliclilHM 



about- 



The collection in the IMuseuin ranges irom the exticme end of the 

 Aleutian Islands (Mstward and soiilliwaid to IMigct Sound. Stimpson 



