1 2 Verm. 
VERMES. 
which will consist of marine Annelids, of few segments, a non-closed 
vascular system, a single pair of segmental organs in the head, and 
reproducing by gemmation (sexual reproduction unknown). The author, 
like Langerhans (51), makes contributions to our knowledge of the 
phenomena of gemmation. 
Eisen (N. Act. Ups. xi. [1881] : cf. Zool. Rec. xviii. Verm. p. 12) has an 
important essay on the Eclipidrilidce , based on a study of Eclipidrilus 
frigidus, sp. n., found in the heights of the Sierra Nevada, California ; in 
which especial attention is directed to the characters of the generative 
organs, and the total absence of efferent funnels. 
On the blood and lymph of Arenicola piscatorum , see C. F. W. Kruken- 
berg, Verg. physiol. Stud. 1882 ; see ii. Abth. 2, pp. 87-89. 
Powell (55) doubts the truth of the doctrine that Palolo breaks up in 
order to effect the liberation of the ova. 
A. T. Urquhart thinks that Heusen has underrated the numbers of 
earthworms per acre; Earthworms in New Zealand, N. Z. J. Sci. i. 
pp. 248 & 244. 
On the segmental organs of Clepsine and Nephelis ; see F. Yejdovsky, 
SB. bohm. Ges. 1882, pp. 410-413. 
On the muscular tissue of the Leech ; see Shore, Nature, xxvi. 
pp. 493 & 494. 
On the central duct of the nophridium of the Leech ; see A. G . Bourne, 
Q. J. M. S. xxii. pp. 337 & 338. 
Artificial culture of Medicinal Leeches; Bull. U. S. Fish. Comm. 1881, 
i. p. 264. 
Genera and Species. 
List of the Annelida of the Faeroe Channel ; W. C. MTntosh, P. R. Soc. 
Edinb. xi. pp. 393 & 394. 
Langerhans (51) enumerates 57 species, of which the following are 
new : — 
Typosyllis pulvinata, sp. n. 
Ehlersia ferruginea , sp. n. 
Grubea arminii , sp. n. 
Ancistrosyllis albini, sp. n. 
Linophorus canariensis, sp. n. 
Perinereis taorica, sp. n. 
Murphy sa saxicola , sp. n. 
Arabella hilairii , Delle Chiaje, var. n. 
Branchiomaldane vincenti , g. & sp. nn. 
Amphitrite orotavce, sp. n. 
36 of the species have been found at Madeira, and of these 2 are 
almost cosmopolitan, and 2 West Indian, 22 are European ; of the other 
12, 11 are European, and 1 Southern. 
Langerhans (51, pp. 101 & 102) has some observations on Grube’s 
Annulata semperiana , and thinks that — 
Syllis uncinigera and S. singulisetis belong to the subgenus Ilaplosyllis. 
S. violacea-flava = Ilaplosyllis hamata, Clap. Perhaps S. lychochcetus is a 
Ilaplosyllis. 
