FAUNISTIC NOTES. 177 



November. — Clausia elongata became the most conspicuous Copepod. 

 Coryceus anglicus also maintained its numbers, but the remainder 

 diminished considerably. The not uncommon LmigijKdia coronata was 

 taken twice, previously only recorded by Bourne (3) in March and April, 

 1889, Harpadicus chdifer was also taken once. This species does not 

 appear to have been recorded at all, though it is fairly common in the 

 littoral and laminarian zones. The Copepods frequenting these regions 

 have been quite neglected. 



Two specimensof Ccdigus rapaxwere taken free swimming. Nauplii and 

 Decapod larvje were reduced to a minimum. Spaddla, at times numerous, 

 was rather small. A single specimen of Tomopteris was taken on the 

 23rd. The post-larval stages of various Pohjclmtcs were fairly numerous, 

 and, for a time, the larv?e of Tcrebella also. Echinoderm larva; were 

 rare, one or two I'lutei being occasionally found. Cyphonautes were 

 fairly numerous, and Muggicea, with its larva, was generally present in 

 small numbers. Ohdia was occasionally represented by a few stragglers. 



Diatoms were plentiful, and Ceratium was only found occasionally, 

 and in very limited numbers. 



December. — This month was very similar to the last. Oithona 

 spinirostris was only occasionally found. On the 18th, a fine specimen 

 of Candace pedinata, Brady, was taken. This species has not hitherto 

 been recorded in this neighbourhood, and, as far as I know, only once 

 for the British Seas, when it was taken by Professor G. S. Brady (6), off 

 the Scilly Isles. Spaddla still increased both in numbers and in size. 



Muggicea disappeared altogether about the middle of the month. On the 

 20th, Ceratium was taken more numerously than before, and with it was 

 a fair sprinkling of Radiolaria. These occurred for the first and only 

 time, but are mentioned by Garstang (9) as frequently abundant in the 

 summer. At the same time a single Eotifer was seen, again the only 

 occasion, and rather a contrast to the frequent clouds of these organisms 

 that Garstang (9) reports as generally occurring in August and September.* 



Nodiluca was frequently present, but in extremely limited numbers. 



REFERENCES. 



1. Bles, E. J.— "Notes on the Plankton, observed at Plymouth during June, July, 



Aug., and Sept., 1892." Jour. Mar. Biol. Assoc. New Series, vol. ii. i)p. 340-3. 



2. Bourne, G. C. — "On a Tornariu iound in British Seas." Jour. Mar. Biol. Assoc. 



New Series, vol. i. pp. 63-68. 



3. Bourne, G. C.— " Report on the Pelagic Copepoda collected at Plymouth in 



1888-89." Jour. Mar. Biol. Assoc. New Series, vul. i. pp. 144-152. 



4. Bourne, G. C. — "Report of a Cruise of H.M.S. Research oil' the south-west 



coast of Ireland." Jour. Mar. Biol. Assoc. New Series, vol. i. pp. 306-321. 



5. Bourne, G. C. — " Notes on the Genus Monstrilla, Dana." Quart. Journ. Micr. 



Sci. vol. XXX. 1890, pp. 565-578. 



• Cf. BuowNE (7), p. 171. 



