. Bulletin - New York State Museum. Science. 4^3. h-r ^^ Fig. 15 Hydroptilid structures: A g r a y 1 e a m u 1 t i p u n c t a t a ; 40, apex of abdomen from beneath, 41, same from side, 42, triangular pieces from side, 43, same when much exserted, 44, ventral lamina; O r t h o t r i c h i a a m e r i c a n a (?) 45, apex of abdomen from beneath. the moment I am unable to deal with the subject which I think may be safely left to be cleared up by American students. In the same interval some further material has come to hand from Professor Needham and Professor Betten, but this has been only par
. Bulletin - New York State Museum. Science. 4^3. h-r ^^ Fig. 15 Hydroptilid structures: A g r a y 1 e a m u 1 t i p u n c t a t a ; 40, apex of abdomen from beneath, 41, same from side, 42, triangular pieces from side, 43, same when much exserted, 44, ventral lamina; O r t h o t r i c h i a a m e r i c a n a (?) 45, apex of abdomen from beneath. the moment I am unable to deal with the subject which I think may be safely left to be cleared up by American students. In the same interval some further material has come to hand from Professor Needham and Professor Betten, but this has been only partially examined. It includes an A g r a y 1 e a which ap- pears to be the same as the European A. m u 11 i p u n c t a t a , and an Orthotrichia which I had described under the name of O. cristata but which may be O. a m e r i c a n a , Banks. There is also another good species of H y d r o p t i 1 a , but the material is hardly sufficient for Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York State Museum; New York State Museum. Albany : New York State Education Dept
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887
