and by 2 varieties : this c^enus includes, therefore, a larger number of species than the six other 

 genera of Palinuridae taken together. All the species are inhabitants of the tropical seas, but 

 many occur moreover either a little north ot the tropic of Cancer or a little south of the tropic 

 of Capricorn. The majority are found in the Indopacific. 



Pamtlirus Btcrgcri (de Ilaan), a nice species in which the margins of the uninterrupted 

 furrows of the abdominal somites are conspicuously crenulate and the carapace very spinose, 

 occurs in the Indian Ocean and the Indian Archipelago, from Port Elisabeth and Mascate to 

 Borneo and Amboina, but its existence in the seas of Japan is still doubtful. A variety 

 megasculptus has been recorded last year by Dr. Pest.\ from Kischin, on the south coast of 

 Arabia. A closely related form, Panitl. dasypKs (Latr.), is distributed throughout the Indian 

 Archipelago, the Philippine Islands and Japan, but has also been observed in the Indian Ocean, 

 north of the Equator, near Ceylon and Sokotra. The tyjMcal I\intil. japoniais (von Siebold) 

 inhabits the seas of Japan, north I'ormosa and the Hawaiian Islands, while the variety longipes 

 A. M.-Edw. is distributed throughout the Indian Ocean and the Indian Archipelago, from 

 Zanzibar to Tahiti. Pamil. penicillattts (Oliv.), with which Pamil. Elwcnbergi (Heller) is 

 apparently identical, occurs throughout the whole Indopacific from the Gulf of Akaba to Fusan 

 (Korea), the Hawaiian and Cambier Islands and the New Hebrides. Paniil. dispinosiis Borr., 

 still only recorded from the Loyalty Islands, has been founded on a very young specimen, long 

 25 mm., but, according to Mr. Borkadaili; himself, it may have been a young example of 

 J'aiut/. fcniorislriga (von Mart.), i. e. of the variety lojigipes o{ Panul.japojiiais {von Sieho\d) din(\ 

 it is also my opinion that Paiiul. dispinosus will once prove to be the young stage of another 

 known species. Of all the preceding Panuliridae the abdominal somites are transversely furrowed, 

 the three species in which thc\- arc suKwth, are the following. I'lrstly PaiuiL versicolor (Latr.), 

 in young sijecimens of which the 2'"' and 3"' abdominal tcrga are still furnished with rudimentary 

 and interruijted, transverse grooves, that, however, gradually disappear in older individuals ; 

 this species, with which Panul. taeniatus of Lamarck is identical, is distributed throughout the 

 whole Indopacific from Tanga near Zanzibar and Mascate to New Britain, the Philippine Islands 

 and Japan, /'ami/, oriiatus (Fabr.) is as widely distributed as Paiiu/. vcrsico/or, the last species, 

 finally, is Panid. po/yp/iagus of Herbst, described in 1796 and recorded from the coast of 

 Balutschistan, Bombay, Minikoi, Mauritius, Singapore, Java and the Samoa Islands. Of two still 

 prol)lematical species one, Panu/. spinosns (II. M.-Edw.), is supposed by Prof Gruvel to be identical 

 with the west-indian Pami/. giit/at'iis (Latr.), but the validity of this species is maintained by 

 Prof. BouviKR, by whom an adult specimen from Pulo Condore has been referred to /'ami/, 

 spinosiis, while it has al.so been recorded from Tahiti and the Pacific Islands. Pami/. iiiar- 

 ginaius (Quoy and Gaimard), final!}-, from the Sandwich Islands is also still a doubtful form : 

 according to Miss R.vtiibux it should be related to Pami/. Durgeri (de Haan) and Panu/. 

 c/asvpiis (Latr.), while it is regarded by Gruvki, as being perhaps a synonym of Pami/. japo- 

 nictis (von Siebokl). 



While this genus is not represented on the coasts of Europe, the west coast of .\frica 

 is onl\- inhabited by one single species, Pami/. regius de Brito Capello, the royal Pami/irus, 

 so named in commemoration of the fact that the tj-pe was discovered by the King of Portugal 



