49 



and the antennular tergum is also verdigris, the supra-orbital spines are marbled with cream 

 flecks and the spines of the upper surface are cream-coloured at their base, while those of the 

 antennal peduncle are here blue coloured; the antennular peduncles and the legs, finally, are 

 partly verdigris, partly cream-coloured above. 



This specimen, however, certainly presents also a close resemblance to Panul. spinosus 

 (H. M.-Edw.), in which species, according to Bouvier (in: Buil. Musée Océanogr. Monaco, 1905, 

 p. 28) the exopodite of the 2 nd maxilipeds should extend beyond the base of the carpus, while 

 in Panul. dasypus it should hardly attain the extremity of the merus. In the specimen from 

 Makassar the exopodite reaches indeed a little beyond the distal extremity of the merus, I do 

 not venture, however, to refer it to Panul. spinosus, because two spines occur in the middle 

 line of the gastric region, just in front of the cervical groove and placed behind one another, 

 while, according to H. Milne Edwards 1837, the gastric region should bear no spine in the 

 middle line. Gruvel, indeed, seems to have referred the specimen from Pulo Condore to Panul. 

 dasypus (1. c. p. 34), while Panul . spinosus is regarded by him with some doubt as a synonym 

 of the West-Indian Panul. guttatus (Latr.). 



4. Panul ir us oricntalis Doflein. 



Panulirus oricntalis F. Doflein, Weitere Mitteilungen über decapode Crustaceen der k. baye- 

 rischen Staatssammlungen, in : Sitzungsber. k. Bayer. Akad. Wiss. München, 1900, Heft I, p. 1 30. 



Though the identity of this species with Panul. polvpliagus (Herbst) has already been 

 acknowledged by H. Balss, in: Ostasiatische Decapoden II, 1914, p. 78, the following obser- 

 vations of the type of Panul. oricntalis Doflein will still, I hope, be welcome ; I am indebted 

 for them to Dr. Balss, who kindly has enabled me to examine the type preserved in the 

 Zoological Museum at Munich. The examination of this specimen, a young male, perhaps from 

 Japan (Balss, 1. c), proved at once its identity with Panul. polyphagus (Herbst), of which I 

 have published a detailed description in 1896 (in: Zoolog. Jahrb. Abth. f. Syst. IX, p. 502, 

 Taf. 34, Fig. 59, 59^) after a full-grown female from Singapore. The type, long 110 mm. 

 from the frontal margin of the carapace to the end of the telson, almost fully agrees with my 

 cited description, not only as regards the morphological characters, but also as regards the 

 characteristic coloration ; it shows, however, some slight differences, owing to its younger age 

 and these differences must be described, because they are still unknown. 



The adult female from Singapore was 270 mm. long, the carapace 90 mm., and the 

 supra-orbital spines, measurecl along their upper or postenor margin, proved to be 20 mm. 

 long; in the type of Panul. oricntalis these numbers are respectively 110 mm., 36 mm. and 

 11 mm., so that the supra-orbital spines are comparati vely a little longer than in the 

 adult specimen. The lateral parts of the gastric region presented in the adult specimen 3 small 

 spines, situated behind one another and the posterior of which was rudimentary, while the 

 gastric region did appear for the rest quite smooth ; in Doflein's type, however, the posterior 

 one of the 3 spines is well-developed, though it is very small, much smaller than the two 

 anterior spines and one observes a 4 th spine between the posterior one of the three and the 

 second submedian spine behind the large supra-orbital one; this 4 th spine is placed somewhat 



SIBOGA-EXPEDIT1E XXXIX tfl. 7 



