GEOGRAPHICAL DISTRIBUTION OF CRUSTACEA. 1577 



pellia, Gymo, Domoecius, Galathea, (Edipus, Harpilius, Hymenocera, 

 Regulus. Dromia and Ranina have not been observed in the Pacific 

 except in the Hawaiian province. No species of Penceus has yet been 

 reported from the Torrid region in this ocean. The Maioidea are few 

 and small, the Xanthidw and Eriphidce numerous, and often large. 

 Some of the species common to the Pacific and East Indies have 

 already been mentioned.* 



The Hawaiian province contains the following species, not else- 

 where observed : — Lahaina ovata, D., Perinea tumida, D., Huenia sim- 

 plex and H. brevirostris, Xantho intonsus, D., Medceus ornatus, Ghloro- 

 dius nodosum, Pseudozius inornatus, some Trapezia?, Thalamita pulchra, 

 Lupa pubescens, Macropliihalmus telescopicus, Gelasimus minor, Ocypoda 

 levis, D., 0. Urvillii, Hemigrapsus crassimanus, Sesarma trapezium, and 

 S. obtusifrons, Oyclograpsus granxdatus, G. drier eus, Nucia speciosa, D., 

 Albwicea speciosa, Porcellana cinctipes, Galatlwa spbiirostris, Scyllarus 

 latus, Randall, Nika hawaiensis, Atyoida bisulcata, Rand., Alpheus levis, 

 A. pacificus, A. pugnax, A. diadema, Paloemon debilis, D., P. acutifrons, 

 D., P. grandimanus, Rand., P. gracillimanus, Rand., Penasus velutinus. 



It is most closely related to the southern part of the Japan Seas, 

 containing the following Japan species : — Peno3us canaliculatus, Podoph- 

 thalmus vigil, Ranina dentata, Pagurus carinatus, Rand. (=P. asper, 

 De H.) ; and the following genera that are represented in Japan and 

 not in the Torrid region, viz. : — Galene, Kraussia (D.), Nika, Scyllarus, 

 Hemigrapsus. Several Polynesian species occur here, as Amphitrite 

 vigilans (Feejees), Thalamita integra, Goniograpsus thukujar (Feejees), 

 Grapsus rudis (Ladrones), Porcellana coccinea (Paumotus), Hippolyte 

 marmoratus (Paumotus), Galcinus tibicen, G. elegans, G. latens, Pagurus 

 punctulatus, Ghlorodius cytherea, besides Grapsus pictus, Acanihopus 

 planissi?nus, and Galappa tube?'culata, which have a wide range. Lupa 

 sanguinolenta occurs here and also in the East Indies and at the Isle 



* The following oceanic Entomostraca occur in the Pacific, or East Indies, and 

 Atlantic -.—Pontella (Pontellina) turgida, Atlantic, 0° to 8£° N., and 4*° S., 17°- 

 31° W.; Pacific, near Hall's and Pitts' Islands, l°-3° N., 173° E.— Pontella (PonteL 

 lina) crispata, Atlantic, 8*° N., 23° 45' W.; 5°-7° N., 174J°-177° E.— Undina vul- 

 garis, Straits of Banca; Atlantic, 9° S., 17 i° W., and 4£° S., 25° W. Oithonapluml/era, 

 Atlantic, 4J°-7° N., 20°-22° W.; also 1° S., 30 J° W.; Pacific, near Kingsmill Is- 

 lands.— Corycceus varius, Atlantic, l°-7° N., 18°-22° W., and l°-7° S., 20°-30° W.; 

 Pacific, 15 J° S., 138i° W.; 33° S., 153}° E.; Ladrones. — Candace pachydactyla, 

 Atlantic, 11° S., 14° W.; 4J° S., 25° W.; 8*° S., 150° W.; 1° S., 30° W.; China 

 Sea, 300 miles northeast of Singapore. 



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