696 MR JAMES MURRAY ON 
MILNEsIUM. 
Generic Characters.—Mouth surrounded by circlet of six blunt palps; two similar 
palps further back, as in Echiniscus ; pharynx narrow, without hard rods ; each foot with 
four claws, of which two are long and slender, the others short and two- or three- 
branched. 
Resembling Hehiniscus in having a pair of blunt processes on the face, otherwise 
nearer JJacrobiotus. 
Milnesium tardigradum—Doy. (Plate LV. figs. 26a to 26c.) (3), (9). 
Specific Characters.—Large, hyaline; fish-shaped, tapering to both ends. Mouth 
and gullet very wide and short; teeth short, with weak bearers. Pharynx about twice 
as long as broad. A pair of black eyes. The single claws very long and slender, with 
expanded base; the triple-hooked claws short, broad, two of the hooks nearly equal, a 
smaller one near base. 
According to Ricurers, MW. alpigenum (Eur.) is not a distinct species. 
This is a widely distributed form. 
Habitat.—Loch Ness, among moss growing on pier, February 1904. 
LIST OF WORKS REFERRED TO. 
(1) Scuutrzg, C. A. S., “ Macrobiotus hufelandi,” /sis of Oken, 1834, p. 708. 
(2) Doybre, Ann. Se. Nat., Paris. II. Ser. T. 10. 1838. 
(3) Doybre, Ann. Sc. Nat., Paris. II. Sér. T. 14, p. 269. 1840. 
(4) Enrenpere, Mikrogeologie, 1854; Atlas, pl. 35x. 
(5) Puarr, L. H., “Naturgeschichte der Tardigraden,” Zool. Jahrb., Bd. iii, Morph. Abt., 1888, 
pp- 487-550. 
(6) Scourrigetp, D. J., ‘‘ Non-marine Fauna of Spitzbergen,” Proc. Zool. Soc. Lond., 1897, p. 791. 
(7) Jennies, H.S., “ Rotataria of the United States,” U.S. Fish. Comm. Bull., 1899, p. 67. 
(8) Ricursrs, F., Ber. Senckenbg. Natf. Ges., 1900, p. 40. 
(9) 3 » ‘Fauna der Umgebung von Frankfurt-a-M.” Ber, Senckenbg. Natf. Ges., 1902, p. 3. 
(10) ¥ 5, © Nordische Tardigraden,” Zool. Any., Bd. xxvii, 1903, p. 168. 
(11) FF ,. ‘Der kleine Wasserbiir,” Prometheus, 1903, p, 44. 
(12) 53 , “Verbreitung der Tardigraden,” Zool. Ang., Bd. xxviii., 1904, p. 347. 
(13) ,, ‘‘Islandische Tardigraden,” Zool. Ang., Bd. xxviii., 1904, p. 373. 
(14) 3 , “Kier der Tardigraden,” Ber. Senckenbg. Natf. Ges., 1904, p. 59. 
(15) 7 , “Arktische Tardigraden,” Fauna Arctica, Bd. i1i., 1904, p. 495. 
