22 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 5 



Genus MALDIVIA Borradaile 



Maldivia galapagensis, new species 



Plate 8, Figs. 1-6 



Type: Male, holotype, Cat. No. 385, and ovigerous female, allo- 

 type, Allan Hancock Foundation, The University of Southern Cali- 

 fornia, from Pavojiia coral taken inside submerged crater of Onslow 

 Island, near Charles Island, Galapagos, 2 fathoms; January 23, 1938; 

 one male and five females, paratypes, same locality and date; collected 

 by Allan Hancock Expedition of 1938 at Station 804-38. 



Measurements: Male holotype: length of carapace 3.7 mm., width 

 4.6 mm., length of major chela 4.9 mm., height 2.4 mm., fronto-orbital 

 width 3.3 mm. Female allotype: length 3.9 mm., width 5.5 mm. 



Diagnosis: Two denticles on anterolateral margin; posterolateral 

 borders exceeding anterolateral. Granules of cheliped flattened, not ar- 

 ranged in rows; fixed finger of major claw not constricted at base. 

 Minor chela excavate, slender. Merus of third maxilliped subquadrate. 



Description: Carapace broader than long, slightly convex, polished, 

 faintly granulate anteriorly, regions not indicated, a few fine hairs show- 

 ing in the region of the front and about the anterolateral borders. Body 

 finely pocked with magenta dots which tend to fade out in alcohol. Two 

 denticles on the anterolateral margin besides the postorbital; a sug- 

 gestion of a third on the male type considerably farther back. If from 

 this point measurement is made, the strongly converging posterolateral 

 margins are found to exceed the anterolateral. Front broad, slightly de- 

 flexed, but faintly divided into lobes, a single or a double transverse row 

 of granules behind it on some specimens. Orbital margins entire. Eyes 

 large, peduncles stout, constricted below cornea. Base of antenna nar- 

 row, second movable joint reaching front, antenna not excluded from 

 orbit, flagellum as long as half the front. Eflferent ridge strong. Merus 

 of outer maxillipeds considerably broader than long, subquadrate, outer 

 angle rounded, inner angle slightly notched to receive palpus. 



Chelipeds grossly disproportionate, the larger turgid, outer surface 

 rough and slightly pubescent. Merus stout and smooth, carpus finely 

 granulate, the granules increasing in size toward the outer distal margin, 

 which is covered in some specimens with a fine pile. Major chela in- 

 flated, the lower half of the outer surface bare and microscopically gran- 

 ulate, the granules increasing in size toward the upper margin. Minor 

 chela excavate, about half as high as major, similarly roughened, the 



