230 FILARIOIDEA 



Fam. 4. CAMALLANIDAE Raillet & Henry, 1915. 



Lips absent. Mouth a dorso-ventral slit. A large buccal 

 capsule present, whose wall is either separated into two lateral 

 scallop-shell-like valves or is continuous. Tail of male alate. 

 Spicules unequal and dissimilar. Vulva prominent, in middle 

 region of body. Vagina runs posteriorly from the vulva. 

 Uterine branches opposed ; the posterior branch ending 

 blindly, without an ovary. 



1. Camallanus Railliet & Henry, 1915. 



Syn. Cucullamis auctt., nee Miiller, 1777. 



Buccal valves paired, simple, with longitudinal rib-like 

 thickenings internally. A chitinoid ring at the junction of 

 the buccal valves and the oesophagus, and opposite to the 

 dorsal and ventral edges of the valves a pair of trident-shaped 

 chitinoid structures. Right spicule filiform. Accessory piece 

 absent. Lips of vulva prominent, but not forming a tubular 

 appendage. 



Hab. Alimentary canal of Reptiles, Amphibians and Fishes. 

 Genotype : G. [Echinorhi/nchus] lacustris (Zoega, in Miiller, 

 1777) (= Cucullanus elegans Zeder, 1800). 



Zoega, in Miiller, 1777, Zoologiae Danicae Prodromus, 214; 

 Zeder, 1800, Erster Nachtrag zur Naturg. d. E ingeweidewurmer , 

 91; Magath, 1919, Trans. Amer. Microsc. Soc, xxxviii, 139; 

 Railliet & Henry, 1915, Bull. Soc. Path, exot., Paris, viii, 446; 

 Baylis, 1923, Parasitol., xv, 30. 



2. Camallanides Baylis & Daubney, 1922. 

 Buccal valves as in CainaUanus, but each with two large 

 swellings externally. Trident-shaped structures reduced to 

 simple rods. Right spicule alate. An accessory piece 

 present. Vulva carried on a tubular appendage. 



Hab. Alimentary canal of Snakes (one species known). 

 Genotype : C. 2>rashadi Baylis & Daubney, 1922. 



Baylis & Daubney, 1922, Mem. hid. Mus., vii, 325; Baylis, 

 1923, Parasitol., xv, 34. 



3. Procaraallanus Baylis, 1923. 

 Buccal armature a continuous chitinoid capsule, not 

 separated into paired lateral valves. Its wall may be smooth 

 or provided with spiral thickenings internally. No accessory 

 piece. Vulva with prominent anterior lip. 



Hab. Alimentary canal of Siluroid fishes. 



Genotype : P. [Cuculknuis] laeviconchiis (Wedl, 1862). 



Wedl, 1862, Sitz. k. Akad. Wiss., Wien, xvi, 463; Baylis, 

 1923, Parasitol., xv, 26, 137. 



