Brachionaen.-^ THE INFUSORIA. 413 



(b.) — Spinous, or attenuated m pedicle-like manner 

 posteriorly. 



713. Anuraea inermis. The unarmed Anuraea has an 

 oblong lorica, attenuated and truncated posteriorly; no 

 spines anteriorly, back furnished with faint longitudinal 

 rays. Found in peat water. Length, when extended, 

 l-144th. 



714. An vhae A acuminata. The pointed Anuraea has 

 an oblong lorica, attenuated and truncated at the posterior 

 extremity, having anteriorly six shai'p-pointed horns or 

 spines, and twelve longitudinal rays on the back. Found 

 amongst conferva. Length about 1- 120th. 



715. Anvraie A foliacea. The foliaceous Anuraea has 

 an oblong lorica, six teeth anteriorly, posterior terminating 

 in a spinous manner, like a pedicle, the dorsal and ventral 

 surfaces longitudinally striated, and the frontal region 

 rough. It has four-toothed jaws, and a central ganglion 

 below the eye. Length 1-1 80th. 



716. Anuraea stipitata (Brachionus). The shovel- 

 shaped Anuraea. — Lorica nearly square, or triangular, the 

 anterior having six teeth, or spines ; posterior single, 

 pointed Uke a pedicle, the back tesselated. Fig. 498 

 represents a dorsal view, with the wheels extended. Length 

 about l-200th. 



717. Anuraea testudo. The tortoise Anuraea. — Lorica 

 square, having anteriorly six straight spines, all nearly the 

 same length, and posteriorly a short one at each corner. 

 The upper and under surfaces are rough, and the former 

 tesselated like Noteus. Length about 1 -200th. 



718. Anuraea serrulata. The rough Anuraea has, ow 

 ovate square lorica, with six unequal spines anteriorly, the 



