342 ANALYTICAL INDEX. 



CHAPTER IV. continued. 



C. LUMBEICUS CAPITATUS, .... PAGE 138 



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



Lurks on the sand at half-tide, . . 1 39 



Plate XVII. described, . . . . ib. 



d. LUMBRICUS LITTORALIS, ... ib. 



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



Found under stones at Rothesay, Eyemouth, &c., ib. 



Plate XVII., explained, . . . . ib. 



e. LUMBRICUS TEEES, . . . . 140 

 Size, organs, &c., ..... ib. 



Forms a tube of muddy particles, . . ib. 



Inhabits a pond in Heriot Row Gardens, . . ib. 



Plate XVII. described, ... ib. 



/. LUMBRICUS HIRSUTUS, . . . . ib. 



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



Plate XVII. described, . . . .141 



Concluding remarks, .... ib. 



CHAPTER V. NEREIS, SPIO, AND CONGENERA 



Introductory remarks the necessity of close observation so as to 



perfect the Sy sterna Naturae, . . . .142 



Dissection incapable of correcting defects, . . 143 



I. NEREIS 



1. NEREIS TERES, ... 144 



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



Animal lies generally coiled up, ... ib. 



Ova, . .... 145 



Nereis alba of Miiller, . . . . ib. 



Plate XX. explained, .... ib. 



2. NEREIS (NEPHTYS), HIRSUTA, . . . ib. 



Specimen described, .... ib. 



Plate XXI. explained, . . . . ib. 



3. NEREIS (NEPHTYS) LINEATA, NEPHTYS MARGARITACEA, 146 



Description Dr Johnson, . . . . ib. 



Swims by a serpentine motion, . ib. 



