64 JOURNAL OF THE 



(2) Positions assumed by the individuals, (pp. 54, 55). 



(3) Their conformity in shape to a <^'eneral type as 

 persistently as that of any class of org-anisms. (pp. 51- 

 5S). ■' ^ ^ 



(4) The failure to conceive of any inorg-anic process 

 by which such forms could be produced, (p. 59). 



(5) That they attract concreting' material and are the 

 nuclei of concretions, (pp. 54, 5()). 



(6) Their general resemblance to determined org-anic 

 forms, (pp. 62, 63). 



(7) An apparent method of reproduction, (pp. 52, 

 61). 



It may take years of patient examination to find 

 direct and positive evidence by which the pala^otrochis 

 may be referred to its proper place among- org-anisms, 

 and such evidence may never be found, yet I believe the 

 importance of the subject justifies a much more extend- 

 ed and careful examination than it has yet received. 



