• 37 



lias at the outer ang-le of the basal joint of the first antennae only; 

 one denticle instead of the two found in P. scnlptus, the chelipeds 

 also showing some differences. In Professor Smith's specimen 

 of P- sculpttts the sublatera'l carina between the cervical groove 

 and hind margin had also 5 small spines on one side and six on 

 the other. The South African specimen has five on ,each side. 

 Smith speaks of the longitudinally-furrowed carina of the sixth 

 pleon segment as "' inconspicuous/' an epithet inapplicable to it 

 in our specimen. In the fifth pair of legs the fing-er is notably- 

 longer than the thumb, which, though short, is quite distinct- 

 The colouring (in formalin) shows on the carapace three rose- 

 colouired areas, one central in the front of the cervical groove, 

 and the other two behind it, lateral, of long triangular shape; the 

 ground is a pale dull orange. 



Dimensions: — Carapace in median line, 5625 mni. ; lateral 

 margin, 63-75 "^"i- ^o^gJ greatest breadth in front of cervical' 

 groove,43.75 mm.; length of pleon, 70 mm.; of second antennae, 

 70 mm. Total extension from apex of second antennae to apex 

 of telson, about 8 inches- Length of first chelipeds, nearly 140 

 mm., reaching, therefore, if fully extended considerably beyond 

 the second antennae, but as preserved they are strongly genicu- 

 late between the third and fourth joints. 



Locality: — Cape Natal N- by E. (approx-) 24 miles. Depth, 

 440 fathoms. Bottom, mud- 



Fam. : Palinuridae. 



1888. Paluiuridae, Bate, Challenger Macrura, Reports, vol- 24, 



P- 74- 

 1891. Palinuridae, Ortmann, Zool. Jahrb., vol. 6, p- 14- 

 1S93. Palinuridae, Stebbing, History of Crustacea, p- 195. 

 1897- Palinuridae, Ortmann, American Journal of Science, vol- 



4. p- 290. 

 1900. Palinuridae, li. Woodward, The Geological Magazine, 



Decade 4, vol. 7, p. 394- 

 1900. Palirdiridae, Stebbing, Marine Investigations Soutli 



Africa, Crustacea, part i, p. 29- 



Ortmann in 1897 recognizes seven genera, which he arranges 

 in three groups— i Paliimrellus, Jastis ; 2 Paliniirus, Pjlmiisitis, 

 Linuparus ; 3 Panulirus, Pucrulus- Of these he says " the first 

 may be called the more primitive, the second the typical, the 

 third the more advanced group." Of Pa'imistus A. Milne- 

 Edwards, 1880, he remarks that it " comes very near to Palin- 

 urus, and differs only in the weaker ' frontal horns,' which are 

 placed on the outer edge of two very peculiar plates projecting 

 horizontally from the frontal rr\argin and truncajted squarely at 

 the apex." In regard to the fossil species described and figured 



