435 
Spirorbis granulata Flemg Edinb. Journ. 1825. p. 244. 
Serpula granulatet L. Brown 111. t. 1. f. 47. 
Spirorbis granulatet Thorpe Brit. Mar. Concli. p. 10- f. 64. 
» »> Grube 1. c. p. 143. 
var. a. fasciata. 
Shell With two brown circular bands on the top between the 
ribs : about half the size , and found among the roots of Fuci and 
Corallines. On stones and shells. (Turt.) 
Serpula granulala var. Turt. Diet. 1819. p. 151. 
Hab. in oceano germanico et britannico (Mtg.) ; ad Milton (Mus. 
Cumg.); Bohuslån (Malm.) 
, 118. SPIRORBIS QUADRANGULARIS STIMPS. 
Ttdtes large , thick, and strong^ white, somewhat rugose with 
lines of growth; underside flat, upper surface with two slrong ca- 
r i ii ir. oae on each side; so tliat a transverse section of the tube is 
a sqttare. Aperlure rounded within and lurned upioards. Dm. I inch. 
(Stimps.) 
Spirorbis quadrangtdaris Stinips. Grand Manan p. 29. 
var. «. Fabricii. 
T. opaca, semitereti, rugo*a, glornerata, carinata. Dm. 1 — .', lin. 
T. alba, rudis, opaca, irregulariter spiralis, glornerata, et rugosa 
trausversim. Præterea versus interiora carinam longitudinal em håbet, 
cui (non in omnibus) alia versus exteriora adjuncta est, sicque tubulus 
»uperne angulatus evadit. Apertura ampla orbicularis integra. (Fab.) 
Serpula contortuplieatu Fab. Fn. Gr. p. 381. n. 376. excl. syn. 
Serpula carinulata. Det smaakantede Ormerør. lab. Mss 2. 
p. 181. n. 205. 
Hab. eisdein in locis ae S. granulata, cum qua et S. verruca 
sæpe mire contortuplicata est (Fabr.). In oceano Americæ boreahs 
ad prof. x. orgy., in testis. (Stimps.) 
119. SPIRORBIS HETEROSTROPHUS MTG. 
Sh. taper, spiral, with three elevated ribs on the upper side, 
and the whirls reversed. Not half the size of S. granulata. (Mig. Dill.) 
Serpula heterostrupha Mig. Test. brit. p. 503. (Chenu p. 219.) 
» » Mat. & Rack. Lin. Trans. VIII. p. 242. 
» » Dill. Cat. p. 1075. n. 14. 
» » Turt. Conch. Diet. p. 151. 
» » Brown 111. t. 1. f. 55. 
» « Wood Index t. 38. f. 13. 
■Spirorbis liHerostropha Flem. Edinb. Ene. VII. p. 68. CCV. f. 1. 
