8 Verm. 
VERMES. 
61. Milne, W. On the Defectiveness of the Eye-spot as a means of 
Generic Distinction in the Philoclinaea , with a description of two 
other Uotifeva,. P. Phil. Soc. Glasg. xvii, pp. 134-143, pis. xvii & 
xviii. 
62. Tessin, G. Ueber Eibilduug und Entwicklung der Rotatorien. Z. 
wiss. Zool. xliv, pp. 273-302, pis. xix & xx. 
63. Zacharias, 0. Ein neues Raderthier ( Stephanops leydigii). Zool. 
Anz. ix, pp. 318-320. 
64. Zelinka, C. Studien iiber Raderthiere. . I. Ueber die Symbiose und 
Anatomie von Rotatorien aus dem Genus Callidina. Z.. wiss. Zool. 
xliv, pp. 396-506, pis. xxvi-xxix. 
Drying of Rotifers ; Zacharias, Biol. Centralbl. vi, p. 230 ; Hudson, 
J. R. Miqr. Soc. (2) vi, p. 19. 
Formation of tube of Melicerta ; Smithson, J. Quek. Club, ii, pp. 221 
& 244. 
Conochilus volvox , c Knipowitsch, Arb. St. Petersb. Naturf. Ges. xvi, 
p. 5 [Russian], [Cf. Zool. Anz. ix, p. 362.] 
Hudson & Gosse (60) describe as new, all being from various parts of 
Great Britain : — 
Floscularia algicola , i, p. 54 ; 
Melicerta conifer a, p. 72 ; 
Ccphalosiphon candidus , p. 79 ; 
C Feist es serpentinus , p. 80, CE. brachiatus, p. 83, CE . sty g is, p. 85 ; 
Philodina tuberculata, p. 102 ; 
Rotifer hapticus , p. 106 ; 
Callidina bihamata, p. Ill ; 
Pteroessa , n. g. for P. surda , ii, p. 4 ; 
Pedetes , n. g. for P. saltator, p. 8 ; 
Albertia intrusor, p. 15, A. naidis (Bousfield MS.) p. 16 ; 
Notommata cyrtopus , p. 22, N. pilarius , n. n. for N. tripus , Leydig, 
p. 23; 
Copeus labiatus , n. n. for N. centrum, Leydig, p. 28, CL pachyurus f p. 31, 
C. cerberus, n. n. for N. centrura, Gosse, p. 34 ; 
Proales, n. g. for N. decipiens, N.felis t and N. gibba, Ehr^ p. 36, P. 
sordida, p. 37, P. tigridia , p. 38 ; 
Furcularia ensifera , p. 43, F. boltoni , p. 45, F. micropus , p. 46 ; 
Diglena gibber , p. 49, D. circinator , p. 50, D. giraffa t p. 51, D. permollis , 
D. clastopis, p. 52; 
Pistemma raptor , p. 54, D. collinsii , p. 55, D. labiatum , p. 56 ; 
Mastigocerca lophoessa, p. 60, M. scipio, M. macera , p. 61, M. elongata, 
P- 62; 
Rattulus helminthodes, p. 65, R. cimolius , R. calyplus , R. sejunctipes, 
p. 66; 
Ccelopti8, n. g. for Monocerca porcellua , Gosse, p. 67, C. tenuior , p. 68, C. 
cavia , p. 69, C. (P) minutus, p. 70; 
Scaridium eudactylotum , p. 74 ; 
Stephanops chlcena, p. 76 ; 
