342 ANALYTICAL INDEX. 
CHAPTER IV.—continued. 
§ c.—LUMBRICUS CAPITATUS, 
Length, thickness, &c., 
Lurks on the sand at half-tide, 
Plate XVII. described, 
§ d.—Lumpricus LITTORALIS, 
Length, thickness, &e., 
Found under stones at Rothesay, Byemende ce 
Plate XVII., explained, : ; 
§ e.—LuMpRICUS TERES, 
Size, organs, &e., 
Forms a tube of muddy particles, 
Inhabits a pond in Heriot Row Gardens, 
Plate XVII. described, 
§ f—Loumericus HIRSUTUS, 
Length, thickness, &e., 
Plate XVII. described, 
Concluding remarks, 
CHAPTER V.—NEREIS, SPIO, AND CONGENERA— 
140 
141 
Introductory remarks—the necessity of close observation so as to 
perfect the Systema Nature, 
Dissection incapable of correcting defects, 
I.—NEREIS— 
§ 1. Nereis TERES, : 
Length, thickness, &c., 
Animal lies generally coiled up, 
Ova, 
Nereis alba of Miiller, 
Plate XX. explained, 
mp 
iS) 
. NEREIS (NEPHTYS), HIRSUTA, 
Specimen described, 
Plate X XI. explained, 
§ 3. Nerets (NEPHTYS) LINEATA, NEPHTYS MARGARITACEA, 
Description—Dr Johnson, 
Swims by a serpentine motion, 
142 
143 
144 
ib. 
ib. 
145 
ib. 
ib. 
ib. 
ib. 
ib. 
146 
ib. 
ib. 
