390 Mr. M. Cameron and Dr. A. C. Gatto’s List of 
common. Dromius linearis, Ol., Fort Manoel, St. George’s 
Bay, 10; quadrimaculatus, L., Jniena, rare. Demetrias 
atricapillus, L.*, everywhere, 4-11. Cymindis suturalis, 
Dej., Fort Manoel, 5, one only. Zuphium olens, F., Jniena, 
11, one only. Drypta dentata, Rossi, Ta Baldu, 11, rare; 
distincta, Rossi, Jniena, 11, one only. 
DYTISCIDA. 
HHaliplus lineatocollis, Marsh., Marsa, St. George’s Bay, 
El Klia, Gozo, 3, 4, 9, common. Calambus confluens, F., 
El Klia, 10, common. Deronectes ceresyi, Aubé, Salina, 7, 
common. Hydroporus varius, Aubé, St. Paul’s Bay, El 
Klia, Fidian, Gozo, 6, 8, 11, common ; ¢essellatus, Drap., v. 
humilis, Klug, general, 1-5, 10. Laccophilus interruptus, 
Pz., v. testaceus, Aubé, El Kha, 10. Agabus nebulosus, 
Forst., El Klia, Melleha, 4. Cymatopterus fuscus, L., El 
Khia, 6. Jeladema coriaceum, Lap., El Klia, St. Paul’s 
Bay, 5, 8,10, common. Dytiscus circumflexus, F., a single 
specimen was found alive in the Grand Harbour in 1890. 
HYDROPHILID. 
Helochares dilutus, Kr., El Khia, common, 6-10. Anacena 
ovata, Reiche, Jniena, Melleha, Gozo, 5, 6. Laccobius bipunc- 
tatus, F., El Klia, Gozo, 7,10. Berosus affinis, Brull., El 
Kha, Mistra, St. George’s Bay, common, 6,9, 10. Cereyon 
depressus, Steph., Marsa Scala, 7, 8, common ; ustulatus, 
Preyss., Coll. J. J. W.; flavipes, F., Coll. J. J. W.5 quisqui- 
lius, L.*, everywhere, 3, 4, 6,75; centrimaculatus, Sturm, 
Coll. J. J. W.  Spheridium bipustulatum, F.*, general, 1, 
3,7. Colostoma orbiculare, F., Gozo, Migiarro, 6, 7, com- 
mon. Dactylosternum insulare, Lap., Ghirghenti, 10, rare. 
ITelophorus rugosus, O1.*, El Klia, 3, not common ; porculus, 
Bedel, Gbir, 4, 5, 6, rare; alternans, Gené*, El Kha, 3; 
aquaticus, L.*, general, 3-11; dorsalis, Marsh.*, v. emaciatus, 
Kuw., St. Paul’s Bay, 10,11, rare; algiricus, Bach., St. 
Paul’s Bay, 11; pallidipennis, Motsch., v. reitteri, Kuw., 
Wied Ghormor, Gbir, L'Imtablep, 8-5. Ochthebius quad- 
vicollis, Muls., L’Imtahlep, 5, common; swhinteger, Mauls., 
L’Imtahlep, 5, rare; j/oveolatus, Germ., Marsa Scala, 8, 
common; exaratus, Muls., Jniena, 11, rare; /anuginosus, 
Reiche, one example ; maculatus, Reiche, ex. from J. J. W. ; 
impressicollis, Lap., Ta Baldu, 10, common; vy. imperfectus, 
Kuw., Boschetto, 7, rare. Hydrena nigrita, Germ., Ta 
Baldu, 11, rare. 
-_—. =. 
