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this Pen. Philippii, that was taken in about loo fathoms of water, has never been figured and 

 the description is indeed too short; but it seems to me probable that this Pen. Pliilippii is 

 identical with the Pen. phiUppinensis Sp. Bate of the Report on the Challenger Macrura, a species, 

 which strange enough was in this Report not recorded from the PhiHppines ! The description 

 or rather diagnose of Pen. Philippii is in perfect accordance with that of Pen. pJiilippinensis. 



30. Pcnacopsis Evernmn^ii (Ratlib.). 



JSIt'tapenaeus evermanni M. J. Rathbun, in: U.S. Fish Commission Bulletin for 1903, Part III. 

 Wash. 1906, p. 904, PI. XX, Fig. i. 



Stat. 65". May 6. Near Tanah Djampeah. From 400 m. upward to 120 m. Pale, grey mud, 

 changing during haul into coral bottom. i young male. 



Stat. 96. Junc 27. South-east side of Pearl-bank, Sulu-archipelago. 15 m. Lithothamnion- 

 bottom. I young male. 



This species was hitherto only known by a female, long 58,5 mm., captured near the 

 Hawaiian Islands. It is at first sight distinguished by two median spines situated behind 

 one another between the legs of the 4"^ and 5* pairs. 



The male from Stat. 65^ is but 23 mm. long. The ascending rostrum reaches to the 

 end of the eye-peduncles, is arcuate above, nearly straight below and armed with 6 teeth in 

 addition to the epigastric tooth ; these 6 teeth reach to the tip, gradually decreasing in size 

 and the 2"'^ is situated just above the anterior margin of the carapace; the epigastric tooth 

 is situated a little before the middle of the carapace. The antero-inferior angle of the latter 

 is rectangular, a small branchiostegal spine occurs just above the angle; the post-antennular 

 (antennal) spine and the hepatic spine are of equal size, the latter situated below the base of 

 the i" tooth of the rostrum, before the level of the epigastric tooth. The subhepatic groove 

 (anterior part of the cervical groove) defining the branchial region anteriorly, is conspicuous, 

 as also the gastro-hepatic groove. 



Second abdominal tergum obtusely carinate, more distinctly in the male from Stat. 96, 

 which is 22 mm. long, than in the other; the four foUowing somites are also carinate, the 

 carinae of the ^^^ — 5'^ being deeply cleft at their posterior end; the rather broad carina of the 

 3''' somite is flattened, like also that of the 4'"^, the carina of the 5"^ is obtuse, that of the 

 6''^ moderately sharp. 



The carapace of the male from Stat. 65^ is broken. That of the other specimen is 

 4,5 mm. long, without the rostrum and measured near the dorsal median line; the 6''^ abdominal 

 somite, measured near the median line, appears to be 2,75 mm. long and it is 2,2 mm. high. 

 The telson, 3,8 mm. long, is decidedly longer than the 6''> somite and extends just beyond the 

 uropods that are of equal length; in the other male the telson is just as long as the uropods. 

 The telson bears at either side four marginal spines, the last of which is fixed. 



The external maxillipeds extend with half their dactyli beyond the tip of the antennal 

 scales and the 3''^ legs reach beyond them with a little more than their chelae. Both the 2"'^ 

 and the 3"^ joint of the stout legs of the i^' pair are armed with a strong spine, but it remained 

 doubtful whether the 2"^ pair bore also a spine or not. The legs of the 5''' pair that are also 



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