8 Verm. 
VERMES. 
Orley would arrange the Nematodes thus : — 
(a) PAR.4SITA. 
(c) Anguillulid^. 
Fam. Trichoirachelides. 
Fam. Strongylides. 
Fam. Filariides. 
Fam. Ascarides. 
Fam. Plectidce. 
Fam. DorylcBmidce. 
Fam. Monohysteridce. 
Fam. Leptolcemidce. 
Fam. TyhncMdce. 
(h) Ehabditiform^. 
Fam. Rhahditidce. 
Nectonema^ g. n., for N. agilis, sp. n., found swimming at surface in 
Vineyard Sound, Mass. ; Verrill, P. U. S. Nat. Mus. ii. p. 187. 
Gordius acridiorum^ G. tenuis^ and G. dubius^ spp. nn., Weyenbergh, 
For a note on Perroncito’s (38) observations, see Veter, liii. pp. 824- 
For Perroncito’s observations on Trichina spiralis, see Veter, liii. pp. 
Krabbe (14) finds in the horse : — 
Strongylus armatus, especially in the ccecum ; of 1409 examined 
1029 were females (in 86 out of 100 horses). 
S. tetracanthus, particularly in the colon (in 67 of 86 horses). 
Oxyurus curvula (in 2 out of 100 horses). 
In addition to a revised diagnosis of the genus and species, Mcignin (37) 
has some anatomical remarks and some account of the development. 
Ciliated embryo of Bilharzia ; Chatin, 0. R. xci. pp. 554 & 555, and 
Ann. N. H. (5) vi. pp. 405 & 406. 
For observations on the organization and development of the Gordii, 
see Villot, C. R. xc. pp. 1569-1571 (Ann. N. H. 5, vi. pp. 169-171), in 
which it is pointed out that the first larval form of (ronZias differs greatly 
from that of other Nematoids ; also C. R. xci. pp. 774-776, and Ann. 
N. H. (5) vi. pp. 466 & 467. 
39. Baltzer, C. Zur Kenntniss der Echinorhynchen. Arch. f. Nat. 
xlvi. pp. 1-40, pis. i. & ii. 
A description of the anatomy, with especial notice of the proboscis and 
female generative organs. 
In examples of Echlnorrhynchus proteus, MomQz^BxAl.^oi. Nord, (2)iii. 
p. 304, says ho has found psorosperms, which were taken by 0. F. Muller 
for the first two stages in the development of Echinorrhynchus. 
Echinorrhynchus capitatus, sp. n., Linstow (19), p. 41, pi. hi. fig. 13, 
from Pseudorca crassidens. 
ROTATOEIA. 
40. Claus, C. Zur Kenntniss der Organisation von Seison, Zool. Anz. 
hi. pp. 548-550. 
(62). 
828. 
601-603. 
ACANTHOCEPHALI. 
