403 Part LIl—kighteenth Annual Report 
Several parasitic forms have been observed, among which are the 
following :—Phryxus abdominalis, attached to the under side of the 
abdomen of Spirontocaris securifrons, captured in the shrimp-trawl net 
of the fishery steamer ‘“‘Garland” near the seaward limit of the Clyde 
estuary. Pseudione ajfinis, attached under the carapace of Pandalus 
montagut, also from near the mouth of the Clyde. Pleurocrypta 
marginata, attached under the thoracic shield of Galathea dispersa, taken 
at Station XIII. (Upper Loch Fyne), October 10th, 1899. Aspidophryxus 
peltatus, attached to the back of Hrythrops serrata and Erythrops elegans,* 
from deep water to the east of Arran, Firth of Clyde, July 18th, also 
obtained at Station XIII. (Upper Loch Fyne) on 29th December 1899, 
CuMACEA. 
Several species of cumacea have been obtained in recent gatherings 
of tow-net and dredged material, most of which have already been 
recorded, but the following may be mentioned :—Campylaspis rubicunda 
has again occurred in bottom-gatherings from the deep water of Upper 
Loch Fyne. Cumella pygmea was obtained in dredged material from 
Tarbert Bank, Lower Loch Fyne. Wannastacus unguiculatus and species 
of Diastylis have also been observed in Clyde tow-net gatherings. Cuma 
edwardsit was obtained in a bottom tow-net gathering collected in Aber- 
deen Bay; while Cumopsis edwardsit (sp. Bate) (=C. goodsir7, Van Ben.) 
was taken between tide-marks on the shore near Millport, Cumbrae, 
Firth of Clyde, on May 6th, 1899, where it had previously been found 
by Dohrn thirty years before.t Cumopsis longtpes (Dohrn) (=C. levis, 
G. O. 8.) has also been recorded from the Clyde. These two species are 
somewhat like each other in size and general appearance, but in Cumopsis 
edwardst the cephalo-thoracic shield is adorned on both sides with two 
oblique and arcuate lateral folds; while in that of the other species the 
lateral folds are altogether wanting. Moreover, the natatory branches of 
the first pair of feet in Cumopsis edwardsit are composed of ten joints, 
but of only eight joints in Cumopsis longipes.§ Cumopsis edwardsir did 
not appear to be very rare between tide-marks at Cumbrae. A con- 
siderable number of adult and young specimens were included in the 
gathering I collected at Cumbrae in May last. 
SCHIZOPODA. 
Thysanoessa neglecta (Kréyer).—I have again to report the occurrence 
of this Euphausid from the Firth of Clyde. In my Notes published in 
the Seventeenth Annual Report, Thysanoessa neglecta is recorded for the 
Clyde for apparently the first time. The specimens referred to in that 
Note had been obtained in a bottom tow-net gathering from Station X., 
near the seaward limit of the estuary, collected on January 16th, 1899, 
at a depth of 26 fathoms. The specimens referred to on the present 
occasion were obtained in two separate bottom tow-net gatherings from 
Station XII., between Arran and Turnberry Head. ‘These gatherings 
were collected, the one on the 18th and the other on the 24th of July 
1899. In the first one five specimens were obtained, but only two were 
observed in the other. This species, though apparently rare in the Clyde 
district, is one of the more common schizopods on the East Coast. As 
pointed out by Dr. Norman in his useful “Synopsis of the British 
* A specimen of the curious Aspidecia normani occurred also on the back of a 
specimen of Hrythrops elegans, from the same part of the Clyde estuary. (See also record 
ey ena in Part III. of the Sixteenth Ann. Report of the Fishery Board for 
es Cf. Scott, S. #. B. Rept., 1888, p. 253. 
tT Ch. Jen. Zeitschr. ., vol. v., 1869; Unters. ib. Bau u. Entw. d. Arthropoden, 1870, p. 23. 
§ Vide Prof. G. 0. Sars’ description of the two species in his work Mddelhavets 
Cumaceer. 
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