230 



Ni:\V CJENKKA AND SPK.CIES OV CRABS RATHliUN. 



oils, a I ul also tlio stcniiiiii : I lie clicliixMls aic similar in clia racier lo tliose 

 oi' the rciiiak's. 



Tlu' lar<;est speciincn lias a span of about one and a liall Tcel. 



Milliincli'i'.s 



l^cii^th til" caiapace I'J 



\Vi«llh of t-aiapufc .54 



l.fiifitli (if clieliiMVl about 112 



l,«ii«;lli of Hist amlmlatoiy leg about 214 



l.i'iii;th of sofoiul ambulatory It'u; about I'tli 



Lt'Ui^lli of til i 1(1 ainbulatorv b'j;" a 1 tout 125 



Leugth of four! li aiubulalory Icj;- alMiiit 120 



VVitli s|u'('inieiis IVom station .'517 t there is an ambulatory lei;' of the. 

 liist ])air Avhieli is much lar<ier than that of the huiiest specimen eai>- 

 tured. The lenj»th of (lie last three joints is IT).") millimeters, while in 

 the si»ecimen of Nvhicli dimensions are oiven al)o\c the coirespondino- 

 joints measure only iLM) millimeters. 



Olftlu' Sandwich Islands, I'. S. l^'ish Commission sicamcr .\Ih((ir<>ss, 

 181) 1: 



station. Lat. N. I,..nu. W. FaOuinis.' IWitloin. ['^'•'^'''Pi"' Cat. No 



atiuo. 



;i47(i 

 ;t47;! 



;!474 

 :)475 

 347C 



;i-i:i 

 :ti:t 

 :i75 

 :t5l 



wli.S 



t'lic. gy. S . 

 t'ue. wli. S . 

 flic. wli. S . 



298 Inc. wli. S 



4:t. I! 

 4:1. !) 



17.'. IS 

 17.M0 

 17.''>-_'(i 



i7r.2i 



17522 



This s])ecies is (|uile disi inct from 1 he c(|iiatorial Pacific forms c«)l- 

 lected by the ('ludloH/cr. ('. iHKirai/i has more sjiiues on the earajKice 

 ami a. jna'orbilal spine, while ('.siilniii haslonoer oastrie spines and uo 

 sui)raoibitaI sitiiie. 



Collodes temiirostris. 



Carapace sli<;hlly i>iil>esccnt. coiispicnouly i^ ran 11 late (Ui I he liranchial 

 reiiions, with a few qranides 011 the juaslric reiiioii and seNcral »»n the 

 intestinal r«\iiion. There is a slender erect spine on the uastri*- r«'uion, 

 one on the cardiac, and another i»ointiiiu upward and backward on the 

 lirst abdominal sciiineiit. These s|>ines are sliiihtly thickened at the 

 summit. The posterior half of the rostrum has a rounded (lutline, the 

 anti'iini luilf is a slender process in character like the dorsal s]tines, 

 ^raiiulons low aid the extremity. Supraorbital arch uraiinltiiis, with a 

 tubercle at the summit. In the mah> abdomen the fourth, littli, ami 

 sixth seiiineiils ha\(' the lateral oullim's sejiarately coiica\(': the sixth 

 and se\cnth scuinents are aiichylosed. AlMiomeii and sternum witli 

 scattered .grannies, liasal autennal joint with twd small spines at the 

 exti'-mity, one below the other; outer margin spinnlous; llaoellum 

 lou^. No inlcranteiinular spine. Chelipeds weak, much siiorter than 



