Annual report of the Regents . sie, whohas also given me much aid in the identification of my material,informs me that this species is very common in the diatomaceousearth from Wellington, New Zealand, but he has never heard ofits occurrence before in America. Sponge spicules are not un-common in Lloyds neck diatomaceous earth, and several formsare figured. Samples of the red and brown clay from the sec-tion given above were examined, but no organic remains werefound in them. 600 NEW YOEK STATE I^^JSEUM (Magnified 500 diameters, except Fig. 1, which is enlarged 250 •diameters) Fig. 1-13 Sponge
Annual report of the Regents . sie, whohas also given me much aid in the identification of my material,informs me that this species is very common in the diatomaceousearth from Wellington, New Zealand, but he has never heard ofits occurrence before in America. Sponge spicules are not un-common in Lloyds neck diatomaceous earth, and several formsare figured. Samples of the red and brown clay from the sec-tion given above were examined, but no organic remains werefound in them. 600 NEW YOEK STATE I^^JSEUM (Magnified 500 diameters, except Fig. 1, which is enlarged 250 •diameters) Fig. 1-13 Sponge spicules. Croton pointFig. 14 Melosira granulata (Ehr.) Ralfs. Croton pointFig. 15 Navicula Gruendeleri A. S. Croton pointFig. 16 Diatoma sp? PlattsbnrgFig. 17 Diatom fragment from Croton pointFig. 18 Navicula permagna Edw. Croton pointFig. 19, 20 Sponge spicules. Kreischerville, S. 21-24 From clay at Yerplank* Fig. 25 Nitszchia granulata Grun. Croton pointFig. 26 From clay at Croton point I Plate 14 To face page 600. C. TRiG^, de). Micro-organisms from the clays of New York. Plate 15 To face page 601
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