378 
S. J. JOHNSTON. 
and position of the vesicle and its pore are much the same as 
in T. reticulare. The nervous system of the former also 
corresponds pretty closely with the arrangement described 
for the latter. 
In the uterus the loops lying between the anterior testis 
and the middle of the body extend outwards beyond the 
intestine almost to the edge of the body, while the more 
anterior loops are confined to the space between the intestinal 
limbs. There are no backwardly directed loops extending 
behind the posterior testis as in Hyptiasmus. While there 
is no Laurer’s canal, a very distinct receptaculum is present 
(fig. 82). 
The eggs are very numerous, smaller and narrower than in 
T. reticulare, 0*094 mm. long by 0*055 mm. broad, yellow 
to light brown in colour. 
From Reptiles. 
Fam. Angio dicty idrn . 
Polyangium linguatula Lss. 
Ten specimens of this species were obtained from the 
intestine of Chelone mid as. 
Octaugium sagitta Lss. 
About one hundred specimens were obtained from Chelone 
mi das, living along with the Polyangium. 
Fam. Pronocephalidse. 
Di as c hist orchis p and us Braun, gen. nov. (Figs. 9, 10, 
34-37.) 
In addition to a single specimen obtained from the intestine 
of a hawksbill turtle, Chelone imbricata, which I caught 
in Port Jackson, I have received from the Institute six 
specimens of a worm obtained from the intestine of Chelone 
mid as, caught off the Queensland coast. These worms appear 
