4 Verm . 
VERMES. 
meg aloe ephalus the presence of a special musculature for the longitudinal 
canals and their branches. 
Moniez (C. It. xciv. pp. 661-663) gives an account of the uterus of 
Tcenia pectinata , and other species. In T. giardi the male organs are 
placed at oithor end of each joint. 
Kiessling (9) discussos the results of Donnadicu, and keeps separate 
Ligula and Schistoccphalus. The presence of a single ovary in Ligula is 
not to be explained by supposing that there has been a fusion of the two 
ovaries. 
Yillot’s (24) classification is based on the different modes of the forma- 
tion of the caudal vesicle ; in the first group it arises by simple growth, 
and in the second by gemmation. 
For Vermes of Prague see Yejdovsky (3), pp. 50-62; for observations 
on the Stenostomidce, and their relations to Nemertines and Annelids, 
pp. 58-60. 
Genera and Species. 
Graff (6) proposes the following arrangement of the Turbellaria. In 
giving it, the new genera and species are mentioned under their proper 
heads : — 
a. Tribus: Acccla. 
i. Fam. Proporida. 
ii. Fam. Aphanostomida . 
(Here, inter alia , comes Cystomorpha , g. n.) 
«. Tribus : JRhabdoccela. 
hi. Fam. Macrostomida. 
iv. Fam. Microstomida. 
Microstomuni rubro-maculatum , sp. n. 
v. Fam. Prorhynchida. 
vi. Fam. Mesostomida. 
(«) Promesostomina, subf. n. 
Promesostoma , g. n. 
(b) Byrsophlebina, subf. n. 
Byrsophlebes intermedia, sp. n. 
(c*) Proxenetina , subf. n. 
Proxenetes cochlear , gracilis , tuberculatus , rosaceus , 
( d ) Eumesostomina , subf. n. [spp. nn. 
Otomesostoma, g. n. 
0. morgiense , sp. n. 
Mesostoma jiavulum, splendidum , neapolitanum, 
vii. Fam. Proboscida. [ S PP« 
(a) Pseudorhynchina , subf. n. 
Pseudorhynchus, g. n. 
(5) Acrorhynchina , subf. n. 
Acrorhynchus , g. n. 
Macrorhynchus, g. n. 
(c) Ilyporhynchina , subf. n. 
IlyporhynchuSy g. n. 
H. coronatus, sp. n. 
