Biology of the Antarctic Seas V - download pdf or read online


ISBN-10: 0875901239

ISBN-13: 9780875901237

ISBN-10: 1118664809

ISBN-13: 9781118664803

About The Product

Published by way of the yankee Geophysical Union as a part of the Antarctic examine Series.

The Antarctic learn sequence, an outgrowth of analysis performed within the Antarctic in the course of the overseas Geophysical 12 months, was once began early in 1963 with a furnish from the nationwide technological know-how origin to AGU. it's a e-book sequence designed to serve scientists and graduate scholars actively engaged in Antarctic or heavily comparable study and others versed within the organic or actual sciences. It presents a continual, authoritative medium for the presentation of in depth and designated clinical examine effects from Antarctica, rather the result of the us Antarctic learn software. this actual quantity includes four papers.


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Additional info for Biology of the Antarctic Seas V

Example text

AulograpJiis mohri n. sp. x 1 0 0 0 . T h e distal e n d o f a radial tube with three terminal branches. three) terminal b r a n c h e s that are curved outward a n d upward. A t its distal e n d e a c h terminal b r a n c h bears a c o m p a r a t i v e l y large, strongly silicified c u s h i o n l i k e spathilla with four to eight (generally six to eight) strong r e c u r v e d teeth. In addition, s o m e spathillae h a v e a short, stout apical process. T h e m a l a c o m a is lenticular a n d contains one central capsule a n d a p h a e o d i u m of nearly equal size.

S p e c i m e n s w e r e t a k e n at 13 sta­ tions: 145, 150, 161, 165, 286, 287, 546, 793, 850, 854, 1299, 1319, a n d 1 3 2 8 . Distribution. Apparently, specimens occur g e n e r a l l y b e l o w 500 m . A t o n e station, a s p e c i m e n w a s t a k e n b e t w e e n 500 a n d 250 m . T h i s is the first r e c o r d o f the o c c u r r e n c e o f A. hexancistra in the A n t a r c t i c . T h i s species has b e e n reported pre­ viously only from the North Pacific O c e a n [Haeckel, 1887] a n d f r o m the Indian South Equatorial C u r r e n t [Haecker, 1 9 0 8 ] .

Cistra a r e v a r i a b l e in l e n g t h , b u t t h e y a r e g e n e r a l l y 8 - 1 0 times as l o n g as t h e tube is broad. T h e radial spines are 0 . 5 - 0 . 7 m m l o n g ( H a e c k e l ) a n d 0 . 0 1 - 0 . 0 1 3 m m wide. T h e t e r m i n a l b r a n c h l e n g t h s h a v e b e e n r e p o r t e d as 0 . 0 3 5 - 0 . 0 5 3 m m [Borgert, 1901a] a n d as 0 . 0 8 - 0 . 1 m m [ H a e c k e l , 1 8 8 7 ] . 220 m m . Collection. S p e c i m e n s w e r e t a k e n at 15 sta­ tions: 145, 165, 233, 446, 4 7 2 , 546, 793, 8 1 2 , 850, 8 5 4 , 1 2 9 9 , 1306, 1319, 1 3 2 0 , a n d 1 3 2 8 .

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Biology of the Antarctic Seas V

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