1913-] S. Kemp : Crustacea Stomatopoda of the Indo-Pacific Region. 167 



Borradaile has recorded a single male, olive-green in colour and a trifle more than 

 18 mm. in length, from Rotuma, a locality far distant from the regions in which typical 

 G. demani or var. spinosus have been found. 



4. Gonodactylus glabrous/ Brooks. 

 Plate IX, fig. 113. 



1886. Gonodactylus glabrous, Brooks, Voy. of H.M.S. ' Challenger,' XVI, Stomatop., p. 62, pi. xiv, 



fig. 5 ; pi. xv, figs. 7, 9. 



1887. Gonodactylus graphur us, F. Müller, Verhandl. naturf. Ges. Basel, VIII, p. 471. 

 1887. Gonodactylus graphurus, de Man, Arch. f. Naturgeseh. , Uli, i, p. 573. 



1893. Gonodactylus glaber, Henderson, Trans. Linn. Soe. Zool. (2), V, p. 454. 



1894. Gonodactylus glabrous, Bigelow, Proc. U.S. Nat. Mus., XVII, p. 493. 

 1894. -Gonodactylus glaber, Ortmann, Denk, med.-wiss. Ges. Jena, VII, p. 60. 



1898. Gonodactylus glabrous, Borradaile, Proc. Zool. Soc, p. 36. 



1899. Gonodactylus glabrous, Nobili, Ann. Mus. Civ. Genova (2), XX, p. 276. 

 1901. Gonodactylus glaber, Nobili, Ann. Mus. Zool. Napoli, I, no. 3, p. 17. 



1901. Gonodactylus graphurus, Nobili, ibid., p. 16 (fide Nobili, 1906). 



1902. Gonodactylus glabrous , de Man, Abhandl. Senck. ges. Frankfürt, XXV, p. 913, pi. xxvii, 



fig. 67 (including var. ternatensis, p. 914). 



1903. Gonodactylus chiragra vars. glabrous and mutatus, Lanchester, Faun, and Geog. Maldives 



and Laccadives, I, pp. 448, 451, pi. xxiii, figs. 8, 9, 15. 



1904. Gonodactylus glabrous, Jurich, Stomatop. deutsch. Tiefsee-Exped. , p. 376. 



1905. Gonodactylus graphurus, Lenz, Abhandl. Senck. naturf. Ges. Frankfürt, XXVII, p. 387 



(partim, fide Lenz, 1910). 



1905. Gonodactylus glaber, Nobili, Boll. Mus. Torino, XX, no. 506, p. 11. 



1906. Gonodactylus glabrous, Tattersall, Ceylon Pearl Oyster Rep., V, p. 167. 

 1906. Gonodactylus graphurus, Nobili, Bull. Sei. France et Belg., XL, p. 159. 



1906. Gonodactylus glaber, Nobili, Ann. Sei. Nat. Zool. (9), iv, p. 333. 



1907. Gonodactylus glaber, Borradaile, Trans. Linn. Soc. Zool. (2), XII, pp. 211, 212 (including 



vars. ternatensis and rotundus). 

 1910. Gonodactylus glaber, Lenz, in Voeltzkow's Reise in Ost-Afrika, II, p. 572. 



1910. Gonodactylus glabrous, Fukuda, Annot. Zool. Japon., VII, p. 141. 



1911. Gonodactylus chiragra var. mutatus, Steuer, Sitz.-ber. math -naturwiss. Klasse d. k. Akad. 



Wiss., Wien, CXX, p. 734, text.-fig. 

 Gonodactylus glabrous differs from G. chiragra only in the following characters : — 



1. The dorsal processes of the ophthalmic somite (fig. 113) consist of two small 



plates, rounded anteriorly ; they are longer than in G. demani and much nar- 

 rower than in G. chiragra. 



2 . At the base of the upper margin of the raptorial propodus the small movable 



spine, almost invariably present in G. chiragra, is entirely absent. 



3. On the sides of the 2nd, 3rd, 4th and 5th abdominal somites near the anterior 



margin there is a rather conspicuous pit. This in G. chiragra is very faint or 

 wholly absent. 



4. There are five long keels in the middle of the dorsal surface of the telson and 



1 The inclusion of Lenz' s Protosquilla glabra in the genus Gonodactylus renders any change in the 

 original spelling of this name inconvenient. For further notes on this species see addendum, p. 197. 



