CONTENTS. 



PART I. 



Page. 

 Section I. — Physical and zoological. By Francis B. Sumner, Raymond C. Osburn, and 



Leon J. Cole n 



Chapter I. Introduction 1 1 



II. Geographical and physical conditions 28 



1. Geography 28 



2. Character of the shores and bottoms 29 



3. Currents and tides 34 



4. Temperature 38 



5. Salinity 52 



III. Synopsis of zoological data 55 



1. The dredging records 55 



2. The distribution charts 62 



3. The fauna considered according to regions and habitats 64 



4. The average yield of the dredge hauls 77 



5. Explanation of the faunal catalogue 80 



6. Synopsis of faunal catalogue 84 



7. Comparison of the Woods Hole catalogue with certain others 85 



IV. The fauna considered by systematic groups 01 



1. Protozoa 91 



2. Porifera 93 



3. Coelenterata 95 



4. Platyhelminthes, Nemathelminthes, etc 101 



5. Bryozoa 102 



6. Echinodermata no 



7. Annulata and Sipunculida 117 



8. Arthropoda 126 



1. Phyllopoda ] 12 j 



n. Ostracoda I2 y 



m. Copepoda I2 8 



IV. Cirripedia , I2 8 



V. Amphipoda X 3! 



VI. Isopoda I3 j 



vh. Schizopoda, Cumacea, Stomatopoda 137 



vm. Decapoda ^7 



ix. Xiphosura I4 2 



x. Pycnogonida I4 2 



xi. Insecta and Arachnida. 



Mollusca. 



*43 



143 



1. Pelecypoda I4 6 



n. Amphineura 150 



in. Gastropoda 151 



iv. Cephalopoda 155 



ic. Adelochorda 155 



11. Tunicata 155 



12 . Pisces 160 



13. Reptilia, Aves, Mammalia 169 



