PLATE XXXVII. 



ClaSS PISCE S continued. 

 THE SKATE continued. 



FIG. 1. URINO-GENITAL SYSTEM : MALE, x . 



t. 1 , t* testes (The left one has been partly laid over) : e. epididymis : 

 v. vas deferens : s. seminal vesicle : s. s. sperm sac : Ic. kidney : 

 p. urino-genital papilla : c. cloaca : a. abdominal pore. 



FIG. 2. URINO-GENITAL SYSTEM OF AN IMMATURE FEMALE, x i. 



o. right ovary (The left has been removed): o.f. opening of the 

 conjoined oviducts (Fallopian tubes) into the body cavity: 

 ce. oesophagus: /. Fallopian tube (anterior portion of the 

 oviduct) : g. oviducal gland : ut. uterus : ra. mesonephric duct : 

 k. kidney : u. urinary bladder : p. urinary papilla : c. cloaca : 

 a. abdominal pore. 



. 3. OVIDUCTS OF A MATURE FEMALE, x $. 



/. Fallopian tube : g. oviducal gland : ut. uterus. 



TIG. 4 " PURSE " CONTAINING AN EGG. x |. 



. The urino-genital organs, both male and female, vary considerably in the 

 different species of Raia. 



