PARASITES OF A CHAPMAN's ZEBEA. 451 



the ordinaiy leaves of the internal leaf crown. These specialised 

 leaves have not been recorded in a Cylichnostome before. 



In passing the final proofs of the above paper for press on 

 January 27th, 1920, I note that the Nematode described therein 

 as Cylichnostomuin zebrce n. sp. has been named Ilexodonto- 

 stoimmi ')iiarkusi n. gen. n. sp. by Ihle in Cent. f. Bakt., Aht. i,, 

 Orig. Bd. 84, 1920, Heft 1. 



liefer ences. 



BouLENGBR, C. L. (1916). " Sclerostome Parasites of the Horse in 



England. 1. The Genera Trwdontophorus and (Esophago- 



dontus." Parasitology, viii. (4). 

 (1917). " Sclerostome Parasites of the Horse in England. 



2, New Species of the Genus Gylichnostonium." Para- 

 sitology, ix. (2). 

 Giles, G. M. (1892). "On a New Sclerostome from the Large 



Intestine of Mules.'' Sci. Mem. of the Medical Officers 



of the Army of India, part 7, article 2. 

 Looss, A. (1901). " The Sclerostomidte of Horses and Donkeys 



in Egypt." Rec. Egypt. Govt. School of Med. i. 



pp. 25-139, 

 Railliet, a. (1895). Traite de Zoologie Medicale et Agricole, 



p. 415. 

 *ScHRANK, F. V. P. (1788). " Verzeichniss der bisher hinlang- 



lich bekannten Eingeweidewurmer, etc." Kgl. Svenska 



Vetensk. Akad. Stockholm. 

 Sweet, G. (1909). " The Endoparasites of Australian Stock and 



Native Fauna Part 2. New and Unrecorded Species." 



Proc. K. Soc. Vict. xxi. p. 454. 

 Yorke, W., & Macfie, J. W. S. (1919). " Strongylidse in Horses. 



vi. Ci/licostomum pseudo-catinatum, sp. n." Annals of 



Trop. Med. and Parasitology, vol. xii. Nos. 3 & 4, 



February, 1919. 



* Not seen. 



pRoc. ZooL. Soc— 1919, No. XXXI, 31 



