Contents 



Page 



Introduction 1 



Material and Methods 5 



Part I: SYSTEMATICS 7 



Historical R6sum6 8 



Bathyteuthis abyssicola Hoyle, 1885 25 



Bathyteuthis bacidifera Roper, 1968 43 



Bathyteuthis berryi Roper, 1968 53 



Comparison of B. abyssicola and B. bacidifera 59 



Geographical Variation in Bathyteuthis 68 



Buccal Suckers 68 



Number of Arm Suckers 75 



Gill Size 78 



Relationship of Ctenopteryx to Bathyteuthis 85 



Familial Relationships of the Bathyteuthidae 89 



Part II: ZOOGEOGRAPHY 95 



Review of Antarctic Ocean Oceanography 96 



Analysis of Environmental Parameters and Distribution 102 



Geographic Distribution in Relation to Water Masses 140 



Biological Factors Governing Distribution 157 



Vertical and Regional Distribution 165 



Calculation of Maximum Depth of Capture and Vertical Range . 165 



Vertical Distribution by Size 171 



Depth of Capture in Relation to Depth of Ocean 175 



Aspects of Regional Distribution and Relative Abundance ... 176 



Summary and Conclusions 197 



References 199 



Appendix 209 



V 



