SEPTATA, 89 



containing a variable number of karyosomes. Cysts and 

 sporocysts not identified. 



Dimensions. — Size 720-1270 /u, in length by 35-50 /i in width. 



Remarks. — The endoplasm of the parasite is very granular 

 and mobile and, owing to its very active movements, the 

 parasite assumes a variety of appearances. When extended, 

 the breadth is comparatively uniform, but when the parasite 

 contracts a characteristic shape is assumed. The epicytal 

 striations are well developed over the general body surface ; 

 they are faintly visible, and He close together on the spines. 

 The sarcocyte is feebly developed and the myocjrte is also 

 thin ; both these layers are continued into the spines, but the 

 endoplasm is not. The spines are about 12/x in length and 

 are capable of movement, being swung actively from side 

 to side or held straight against the body. In the endoplasm 

 are lodged paraglycogen bodies and many small, oval, and 

 sometimes rod-shaped bodies, which may be parasites. 



Habitat. — Seminal vesicles of Pheretima heterochmta (Mchlsn. ) : 

 Bombay, Bombay. 



2. Legion SEPTATA Lankester, 1885 



(=Cephalina Delage, excluding DoHocystidae, or Poly- 

 CYSTIDEA, sensu stricto). 



The body is divided mto the protomerife and deutomeriie 

 by an ectoplasmic septum, and an organ of attachment, 

 known as the epimerite, is always present, at least in the earher 

 stages. An end-to-end association of two or more trophozoites 

 {syzygy) is common : in such the anterior individual is called 

 the primite, and the posterior ones the satellites. Parasites of 

 the digestive tracts of Invertebrates, especially Arthropods. 



Labbe's classification (1899) into famiHes is generally 

 followed with modifications. Kamm (1922) divides the 

 group into twelve families. Reichenow (1929) has combined 

 two of these, Lecudinidse and Polyrhabdinidse, into one, 

 which has been transferred to Haplocyta in this work. 

 Reichenow has also transferred the family Porosporidse to 

 this group, while two new families, Monoductidse and Hyalo- 

 sporinidse, have recently been described by Ray and Chakra- 

 varti (1933), and a third, Kofoidinidse, by Henry (1933). 

 Of these there does not seem to me to be sufficient justification 

 for separating the Hyalosporinidse from the Stenophoridae, and 

 Kofoidinidse is placed under Haplocyta in this work. There 

 aire thus eleven families in this legion. 



