494 DE. L. COGNETTI DE MAETIIS ON VBEMES 



Internal Anatomy. — Septa iv./v.-vii./viii. and ix./x. are greatly thickened ; septum 

 vin./ix. is absent. Septa x./xL-xll./xiii. are moderately stout. Gizzard very strong 

 in VIII. and ix. Sacculated intestine beginning in segment xvi. provided with a pair 

 of simple and long conical CEEca, which extend four or five segments forwards from xxvi. 

 Hearts paired in x./xiii. 



A single pair of testes is present in segment xi., not enclosed in seminal capsules. 

 A single pair of globous sperm-sacs in segment Xll. 



A pair of ovaries in xiii. 



Spermiducal glands confined to segment xviii. Their glandular portion is moriform 

 or slightly lobulated, the duct moderately thin and S-shaped. Muscular bursa 

 copulatrix absent. 



Three pairs of spermathecoe in segments vi.-vin. Each spermatheca club-shaped, 

 with a short duct, which is provided with a globular diverticulum near the external 

 ])ore (text-fig. 41, A). 



Camp 3, Utakwa River, 2500 ft., Dec. 1912. A single specimen. {Type of the species.) 



Test-fiffure 41. 



Spermatbecaj of : A. Pheretima maxima ; B. Pliereiima {Parapheretima.) utal-wana. 



This new species is particularly distinguished by the dimensions given above and 

 by the metandric condition. These two characters are found in another giant species 

 of the same genus. Ph. colossus Cogn.*, which has also been obtained in Mew Guinea; 

 but this last species is provided with fewer setae on the single segments and has 

 five pairs of spermathecee, instead of three. 



Pheretima (Parapheretima f) utakwana, sp. n. (Text-fig. 41, B.) 

 Ext,ernal G'wmcto-s.-— Length 63 mm,, diameter 8-5 mm. Segments 111. 

 Prostomium i)ro-epilobous. Colour pale brownish. 



* ' Nova Guinea,' ix. p. 296 (Leide, Brill, 19] 2). 



t Eor this subgenus, cf. ' Nova Guinea," v. p. 561 (_1912). 



