146 MR. H. CHARLTON BASTIAN'S MONOGRAPH 



External Characters. — Body white, long, thread-like, tapering very slightly at extre- 

 mities. Head rounded and, as well as rest of body, naked. Integument plain; pores 

 very numerous and easily recognizable, especially in lateral regions of anterior ex- 

 tremity. 



(Esophagus \i\ of total length, embraced by ring anterio'rly, very slightly pigmented, 

 and almost uniform in size. Intestine sparingly covered with small light-coloured gra- 

 nules more or less tessellate in arrangement. Anus yi^" from posterior extremity. 

 Vulva posterior to middle of body. ZTterus bifid; segments symmetrical. Ova very 



large, occupying whole width of body. Excretorij glands Ocelli two, bright 



red, conical, on dorsum of oesophagus, xar" from posterior extremity. 



Male, length \" , breadth ^^". 



Anus Y1-2" from posterior extremity. Spicules 3^3" long, same shape as in L. elonga- 

 turn ; accessory jneces about half as long as spicules. 



Sab. Same as E. elongatmn. 



4. L. BACILLATUM. ' 



Phanoglene bacillata, Eberth, Unters. iiber Nemat. p. 19, tab. ii. figs. 1-4. 



" Korper des "Weibchens gerade, gegen dieMitte wenig anschwellend, beide Enden fast 

 gleichmassig verdiinnt, Vordereude leicht gerundet, quer abgestutzt, Hinterende stumpf, 

 mit terminaler Oeifnvmg fi'ir die Schwanzdriise 



" Wcibchen 8-9 Mm. lang, O'l Mm. breit. 



" Oesophaguslange=ein Fiinftel des Korpers. 



" JIab. Unter Corallen im Hafen von Kizza." 



5. L. FiGURATUM, n. sp. (Plate XII. figs. 161-163.) 

 Female, length \", breadth y^". 



External Characters. — Body long, cylindrical, scarcely tapering at all at extremities, 

 the posterior being blunt and rounded. Sucker well developed; sucker-tubes large. 

 Head bluntly rounded, of a light yellowisli colour for about -g^" of an inch, and figured 

 in a regular manner by bright lines ; provided with a circlet of four short conical 

 setaj. Integument Avith an appearance of longitudinal markings ; integumental pores 

 lateral. 



Oesophagus about ^th of total length, nearly uniform in size, embraced by ring about 

 the termination of anterior third. Litestine rather slightly covered with light fat- 

 particles not tessellately arranged. Anns -^-g" from posterior extremity. Vulva at com- 

 mencement of posterior third of body. Uterus bifid ; segments short, symmetrical. 

 Ocelli two lateral, reddish brown, conical pigment-masses, each having a transparent 

 lens-like body imbedded anteriorly. Floating gland-cells very large, oval, nucleated, 

 often at regular distances on either side of body. Exci-etory glands indistinct ; appear- 

 ance of lateral openings at either side of head ; nothing else recognized. 



Male, very slightly smaller than female. 



Anus -2 8t" from posterior extremity. Spicules 2^" in length ; accessory pieces 2^" 

 long. Supplementary organ in the form of a horny sucker-like body, 3^3" above anus. 



