STYLUS. — LINEUS, 25 



orange, with many white belts at regular intervals. Length 2-3" ; 

 breadth f" ; style G'". 



Gordius fasciatus spinifer, Dalyell, Pow. Creat. ii. 80. pi. 11. f. 6-9. 

 Ilab. Coast of Scotland, rare, Dalyell. 



18. LINEUS. 



Linens, Simmons in Sowerby's Brit. Misc. 15. pi. 8 (1806). Flem. 



Phil. Zool. ii. 605. 

 Horlasia, Oken in Schweig. Handb. 591. Blainville in Diet, des Sc. 



nat. Ivii. 575. 

 Nemertes, Cuvier, Regn. Anim. iii. 259, 



Char. Body greatly elongated, subcylindrical, almost filiform or 

 tapered slightly backwards : head spathulate, with a distinct fissure 

 on each side : no eyes : mouth terminal, circular ; the proboscis in- 

 cluded but protrusile, very long and filiform, armed with horny 

 stylettes : a large apertui'e underneath the head leading to the vis- 

 ceral cavity : intestine simple, with a small anus opening on the 

 anterior third : " aperture of the genital organs in a small tubercle 

 situated on the rim " of the subcervical opening. — Blainville, 



1 . L. longissimus, of a uniform dark purple or black colour, with 

 three faint white longitudinal lines, smooth and glistening ; head 

 with a white line in front ; subcervical aperture large and elliptical. 

 Length 8-15' or more ; breadth 1-3'". 



Lineus longissimus, T. W. Simmons in Sowerby's Brit. Misc. 15.pl. 8. 



Jameson in Wern. Mem. i. 557. Turt. Brit. Faun. 130. Johnston 



in Ann, Sf Mag. Nat. Hist. xvi. 435. Williams in Rep. Brit. Assoc. 



1851, 244. f. 64. 

 Gordius marinus, Montagu in Linn, Trans, vii. 72. Davies in ibid. 



xi. 292; reprinted in Lond. Med, Sf Phys.Journ. xxxvi. 207 (1816). 



Penn, Brit. Zool. iv. 74 (1812); not of previous editions. 

 Borlasia auglia;, Schweig. Handb, 591. Quatrefages in Voy. en Sicile, 



ii. 104. pi. 3. Blainville in Diet, des Sc, nat. Ivii. 575, Atlas Par- 



entomozoaires, tab. 1 a-d (opt.). 

 Nemei'tes Borlasii, Cuv. Regn. Anim. iii. 259. W. Thompson in 



Charlesw, Mag. ii. 21. Griffith's Cuvier, xii. 468. Oersted, Entw. 



Plattw. 92. 

 Borlasia longissimus, Templeton in Loud. Mag. Nat. Hist. ix. 236. 

 Meckelia Borlasii, Dies, Syst, Helm. i. 265. 

 Gordius maximus, Dalyell, Pow, Creat, ii. 63. pi. 8. f. 1, 2 & 7-10, 



and pi. 9. f. 1 (the intestine). 

 Borlasia nigra, Byerley, Faun. Liverp. 98. 



An ascarid or planarian worm. North Brit. Rev. no. xliii. 38. Kings- 

 ley's Glaucus, 104. 



Hab. The httoral zone near low water. 



(a) Berwick Bay, D?'. Johnston. 



(b) Firth of Forth, Lieuf. Thomas, R.N. 



(c) South Devon, G. Montaffu. 



(d) South Devon, G, Montagu, 



