ANALYTICAL INDEX. 



339 



CHAPTER III. continued. 



A beautiful animal, .... PAGE 115 



Plate XVI. explained, . . . . 116 



g. PLANAEIA ALBA, ...... ib. 



A marine animal description, ... ib. 



Plate XVI. explained, . . . . ib. 



h. PLANARIA GRACILIS, Slender Planaria, . . ib. 



Animal described, . . . . . ib. 



Plate XVI. explained, .... ib. 



2. PLANARIA EXIGUA, . . . . ib. 



Length, form, &c., . . ib. 



Taken among weeds at Red Braes Pond, . . 117 



Plate XV. explained, . . ib. 



k. PLANARIA ALG.*, Sea-weed Planaria, . . . ib. 



Length, thickness, &c., .... ib. 



Dwells among the marine algae, . . . . ib. 



Plate XVI. explained, .... ib. 



Planaria have no eyes, or they have escaped observation, . ib. 



a. PLANARIA FALCATA, Crescent Planaria, . . ib. 



Animal described, . . . . . ib. 



Taken in Lochend, . . . . . 118 



Perhaps an intermediate species, . . . ib. 



Plate XVI. explained, .... ib. 



b. PLANARIA STAONI, . . . . . ib. 



Length, breadth, &c., . . ib. 



From Blackball Pond, . . . . . ib. 



Plate XVI. explained, .... ib. 



c. PLANARIA FCECUNDA, . . . . . ib. 



Description, ...... ib. 



From Lochend, ...... ib. 



Plate XVI. explained, .... ib. 



d. PLANARIA FLUSTRJE, Sea Mat Planaria, . . ib. 



Length, breadth, &c., .... ib. 



Marine animal, dwells on the Flustra hispida, . . 119 



e. PLANARIA VORAX, ..... ib. 



Length, thickness, &c., . . . . ib. 



