223] STUDIES ON GREGARINES— WATSON 13 



Partial List of Animals Examined for Gregarines 

 Number examined Number parasitized 



Mollusca 



Venus tnercenaria lo o 



Mactra solidissima 5 O 



Mya arenaria lo o 



Mytilus edulis 5 O 



Modiola sp. 5 o 



Pecten irradiens lo O 



Ostrea virginica IS O 



Crustacea 



Porcellio sp. 8 O 



Oniscus asellus 30 O 



Talorchestia longicornis 500 200 



Orchestia agilis 50 a • 



Orchestia palustris 10 ' o 



Balanus eburneus 5 o 



Balanus balanoides 50 o 



Panopeus sayii 10 o 



Eupagurus bernhardi '25 ' o 



Uca pugilator 50 40 



Uca pugnax 20 15 



Cancer irroratus 4 O 



Platyonichus sp. " 4 O 



Libinia dubia X 



Libinia emarginata ^ 



50 40 



Annelida 



Nereis sp. 5 5 



Amphitrite sp. 6 2 



Enchytraeus abbidis 12 6 



Heliodrilus caliginosus 6 6 



Allobophora foetida 4 4 



Lumbricus terrestris 3 3 



Cerebratulus lacteus 4 O 



Coleoptera 



Carabidae 25 3 



Galuita janus 30 o 



Helanotus fissilis 7 o 



Hydrophilus triangulis 3 o 



Pterostichus stygicus 10 4 



Dytiscidae 25 O 



Gyrinidae 15 o 



Dinetus assimilis 5 . O 



Agabus semivittatus 4 O 



Tenebrionidae 15 7 



