146 JOURNAL OF THE [December, 



PROCEEDINGS. 



Meeting of 'November 5TH, 1886. 



The President, the Rev. J, L. Zabriskie, in the chair. 

 Thirty-three persons present. 



OBJECTS EXHIBITED. 



1. Laomedea : by F. W. Leggett. 



2. SertiUaria pumila : by F. W. Leggett. 



3. Embryo Hermit-Crab : by F. W. Leggett. 



4. Aulacodiscus Thumli ; very rare : by E. A. Schultze. 



5. Lepidodiscus elegans : by E. A. Schultze. 



6. Fruit of the fungus Uncinula flexuosa, Peck, from leaves of 

 the Horse-Chestnut i^^sculus Hippocastanuin, L.) : by J. L. 

 Zabriskie. 



7. Section of a Quartz crystal with cavities enclosing a fluid 

 and a moving bubble : by J. D. Hyatt. 



8. Suction-Cups from a gigantic Cephalopod {Archileuthis 

 princeps — Devil-Fish), showing their marginal serrated edge : by 

 W. E. Damon. 



suction-cups from devil-fish. 



Mr. W. E. Damon : " The microscope shows the sharp saw- 

 like teeth, hard as steel, with which the suction-cups are armed. 

 The Devil-fish applies these cups, of which it has about two 

 thousand, to its prey, and by a kind of half turn sinks the teeth 

 into the flesh, and holds all fast. The cups are arranged in two 

 rows along the inside edge of each of the ten arms of this for- 

 midable creature. The probable use of the front pair of arms, 

 which are much longer than the others, is to reach out for food, 

 and to secure, with the help of the suckers, an anchorage to 

 rocks or to the sea-bottom during stormy weather. These crea- 

 tures have also a powerful horny, hawk-like beak, with which 

 they destroy anything that their arms may bring within its 

 reach, 



" The suction-cups under exhibition were taken from a Devil- 

 fish which was caught in our northern seas and which measured 



