ANNELIDA, 
593 
illustrated with the aid of tabular yiews in which their essential 
characters are curtly compared. This especially applies to the 
families Hesionea and Bylltdea, which last includes the author^s 
five new critical genera. The plates appended to this part 
refer chiefly to details of external anatomy ; but internal struc- 
ture is not neglected. Four families of Nereidea, besides the 
other orders of Chcetopoda, remain for treatment in the suc- 
ceeding divisions of the work. 
B. Separate Publications, 
Fiir Darwin. Von Fritz Muller. Leipzig : 1864. 8vo (92 
pages and 67 woodcuts) . 
Die Insel Lussin und ihre Meeresfauna. Nach einem sechs- 
wochentlichen Aufenthalte geschildert von Dr. Adolf 
EduarD Grube. 8vo (114 pages,, plate, and map). Bres- 
lau : Ferdinand Hirt, 1864. 
C. Papers published in Journals, 
Schneider, A. Ueher die Muskeln der Wiirmer und ihre 
Bedeutung fiir das System. Reichert und Du Bois-Rey- 
mond’s Archiv, 1864 (pp. 590-597). 
Claparede, E. Glanures zootomiques parmi les Annelides de 
Port-Vendres. Mem. de la Soc. de Phys. et d^Hist. Nat. 
de Geneve, tome xvii. seconde partie, 1864 (pp. 463-600, 
with eight plates). 
Baird, W. Description of a new species of Annelide belong- 
ing to the family Amphinomidm, Linn. Trans, vol. xxiv. 
1864 (pp. 449,450, with a plate). 
Baird, W. On a new species of British Annelides belonging 
to the family Chcetopteridee, Ibid. (pp. 477-482, with a 
plate) . 
Williams, J. On a species of Chcetopterus (C, insignis, Baird) 
from North Wales. [A letter addressed to Dr. Baird, and 
appended to the preceding paper.] Ibid. (pp. 483-485) . 
Baird, W. Description of a new British Annelide, belonging 
to the ir\bQ Rapacea of — Annelida errantiaoi Milne 
Edwards. Journ. of Proc. Linn. Soc.- — Zoology, vol. viii. 
1864 (pp. 8-10, with a plate) . 
Baird, W. Description of several new species and varieties of 
tubicolous Annelides = tribe Limivora of Grube, in the 
collection of the British Museum. Ibid. (pp. 10-22, with 
two plates). 
Kolliker, a. Kurzer Bericht fiber einige im Herbst 1864 
an der Westkfiste von Schottland angestellte vergleichend- 
1864. [vol. I.] 2 Q 
