ANNULATA. 
Verm, 13 
the great differentiation to which its renal ["organ has attained, and 
describes its four lobes, the ductules, and the ducts. The former finds 
that the epidermis is vascular, and he believes that it is the respiratory 
organ of the Leech. [Segmental organs, see Fraipont, supra.l 
On the copulatory organs of Microphthalmus ; see report of Bobretzky in 
Zool. Anz. iii. pp. 139 & 140. 
Wilson (64) finds that Arenicola has a telotrochous larva, and that the 
segmentation of the egg is very similar to that of Oligochaita and Disco- 
phora. Ill Diopatra cuprma, the larvm are at first true Atrocha, while in 
Spiochcctopterus oculatus they are mesotrochal. 
Stossich has some observations on the development of Serpula in Bol. 
Soc. Adriat. for 1879, which have not been seen by the Recorder. 
C. K. Hoffmann’s “ Untersuchungen fiber den Bau und die Entwickel- 
lungsgeschichte der Hirudineen” (69 pp., 12 pis. Verb. Ak. Amst. 1880, 
and, separately), has not been seen by the Recorder. 
Genera and Species. 
Langerhans (55) describes : — 
Aricia acustica, sp. n. 
Spio atlanticus, sp. n. 
Polydora hamata, P. armata, spp. nn. 
Bpiochmtopterus madeirensiSy sp. n. 
Cirratulus viridis, sp. n. 
ChcRtozone macroplithalma^ sp. n. 
Notomastas roseus^ sp. n. 
Axiothea cirrifera^ sp. n. 
Ampharete minuta^ sp. n. 
Polycirrus triglandula^ sp. n. 
Sabella rubra, sp. n. 
Jasmineira, g. n. “ Sabellacem hamis uniserialibus manubrio longo 
thoracalibus ; abdomino hamis brevibus ut in genere Sabella formatis 
armato.” J. caudata, sp. n. 
Chone arenicola, C. collaris, spp. nn. 
Oria eimeri, sp. n. 
Fabricia nigra, sp. n. 
Serpula concharum, sp. n. 
Polygordius schneideri, sp. n. 
He gives (p. Ill) a table of the genera of the Sabellidce. 
In reviewing the results of his investigations into the Chmtopod fauna 
of Madeira, Langerhans states that he has found 1 53 species ; of these 57 
are new, of the rest 72 are found in the Mediterranean, and of these 33 are 
also found on the European oceanic coasts ; of the 24 not found in the Medi- 
terranean, 3 are West Indian, 3 have been found in high latitudes ; Ilaplio- 
syllis hamata, Syllis gracilis, and, perhaps, Odontosyllis ctenostoma, and 
Ehlersia cornuta are cosmopolitan. 
