1020 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [20] 
give all the species of Annelida living on the oyster-beds; for no one 
had specially oceupied himself in gathering specimens of this group. 
The most frequent kind was Nereis pelagica L., which is very common 
on our coasts; some specimens wore their remarkable wedding gar- 
ment (Hpithoken). But few specimens were found of Nereis longissima 
Johnst., and Nereis Dumerilii Aud. & Edw.; two of the latter kind were 
found in one oyster. The Phyllodoce family was represented by Phyllo- 
doce maculata Jolinst. and KHulalia virides Oersted, also found in other 
portions of our waters. Of the Polynoé family I found Lepidonotus 
squamatus L. almost as frequently as Nereis pelagica, also Polynoé impar 
Johnst. (Hvarne impar Malmegr.) less frequent than the preceding, and 
Polynoé cirrata Aud. & Edw. (Harmothoé imbricata Malmgr.) I also 
found a number of very small specimens (only measuring 3 millimeters) 
of Pholoé minuta Oersted, also belonging to this group. Capitella capi-° 
tata, van Ben. repeatedly observed on our coasts, was also found here. 
IV. ARTIOULATES.—(Report by Dr. P. P. C. Hoek.) 
The number of articulates which have been observed is very small, 
and it is certain that it is only a small portion of those which occur 
here. We will mention the following: 
(1.) Cirripeds. 
Balanus crenatus Brug., very common on oyster shells. 
Sacculina carcint Thomps. Only found on the lower portion of 
Carcinus moenas L. 
(2.) Arthrostracans. 
a. Lemodipods : 
Caprella linearis Lin. A few specimens of the small va. 
riety were found near Kattendijke and in the Hendracht. 
b. Amphipods: 
Microdeuteropus Spec.—Probably a new variety; chiefly 
remarkable on account of its being generally found in 
the slits of the folds of the oyster shell, between the 
beard of the oyster, &e. 
Gammarus marinus, Leach. Very common near Bergen op 
Zoom found on different kinds of fucus, &c.* 
Allorchestes imbricatus sp., Bate. Found near Wieren, to- 
gether with Gammarus marinus. 
Talitrus locusta Latr. Everywhere between and under the 
stones in the oyster pits. 
ce. Isopods: 
Ligia oceanica Lin. Very common with Zalitrus along the 
stones. 
¥ 
*Prof. W. F. R. Suringar, of Leiden, was kind enough to determine for me three kinds 
of fucus which are very common near Bergen op Zoom, viz, Fucus vesiculosus, L., Fucus 
platycarpus, Thuret, and Ozothallia vulgaris, Dene (Fucus nodosus, L.). 
