23(] 



NEW GENEI^\ AND SPECIES OF CHAHS KATHHrN. 



i'iivo (>(' the palm witli n lariijo, wliife, boad-likc IuIxmcIc oh tli«' out side, 

 at. tlic base. Anihiilalory lo.ns ('(»iii])i'(>ss('(l ; tliiid, ioiirlli. and liflh 

 Joints crested on the inarjiins. 



Dimensions of lariiest specimen, a lemale: |jcn<ilii, ir».r»; \vi(llli,21: 

 hn^lli of elieliped, abont .">.'{ millimeters. 



(inlf of California; U. y. Fish Commission steamer Allmfioss, ISSS 

 and ISSil: 



HdtttMii. 



ay. S. Ink. Sh 



(lit*, nv. S. lirk. SIi 



fL"::::::::::::;; 



Kii.M 



Tciiiiier- ,, , «, 

 ature. '<-'''• ^o. 



,-.7. 9 

 (i2. it 

 (13. 8 

 Ci. 2 



I7,t67 

 17308 

 173(i9 

 17370 

 17370 



This s]>eeios is apparently very much like s^exuphiom^hwt differs from 

 Stimpson's description in the lari>er cardiac spine, the cnrvinj'- branchial 

 rid^e, the distinct <'rcnnlation of the antci'o lateral border, and in the 

 loiisi" chelii)eds. 



Family (\\N(^Iiri),K. 



Lophozozymiis (Lophoxanthus) frontalis. 



Carai>ace with the regions well marked and crossed by faint jirann- 

 lalcd in.ua'; somewhat hairy: sliuhtly convex transversely, the lateral 

 teeth somewhat nptmncd; morccoincx lonjiitudiually, I'rontal and 

 antcrolateial margins j;rannlatc, l''ront more prodnce<l than in tlit^ 

 otlu'r species of this ji'cnus, lobes sinuons, more aihanccd in the middle 

 than at the obtuse outer a nii'Ics; median notch deep, but closed. irp])e.r 

 orbital inar.i^in with two lissnres, the intiMVcninii' tooth more ])rominent 

 than the adjacent inner port ion of lluMnbit ; external orbital aii,ule a. 

 sncill tooth, w idely separated fiom the antero lateral t»'eih by a slii»htly 

 sinuons margin. Antero lateial teeth three, thick, t rianji'iilar, acute. 

 Iiil'ciior orbital bolder w ith a wide external lissui'«> and two priuninent 

 leetli. tlie iniH'r more slender and produced, Sidthepatie and sub- 

 branchial regions j^rannlate. .\bdonu'n of male with st'cond seii'ment 

 lonm'i' and narrower than the lirsl, and nari'owcrat its <listal than at its 

 pi'oximal end, cxposin.y a very small portion of the sternum: third 

 .scunicnt touching the coxa* of the tifth l>air of h\us; penultimate 

 broach'!' than lon,u'; terminal sc^incnt lounded, almost semicircular. 

 Chclipeds N'cry stout; merns short, Iriii'onous, with a row of bead like 

 tidn'r«'lcs oil the upper margin ; <'arpus lar«;e, rugose, a short, stout 

 spine at the inner an<;le and a tniH'i'clc at the proximal end; hands 

 wifh abroad, pnunincnt lobe on the inner side of the ])roximal upper 

 margin, the lobe turned inward; tin* |)ollcx iscurxed downward, the 

 dactyl archecl; both are irrej;ularly dentate w ithin and gape somewhat 



