. The study of animal life. Zoology. zoo The Study of Animal Life part m starting of course as an ovum at the level of the Protozoa, has to stop as it were at the first distinctively crustacean station—the Nauplius- stage. After some change and delay, it continues to progress, but again there is a halt and a change at the Zoea station. Finally there is another. Fig. 39«.—Life-history oi Penteus) tlie Zoea. delay at the Mysis stage before the Penceus reaches its destination. The crab, on the other hand, stops first at the Zoea station, the lobster at the Mysis station, while the crayfish though
. The study of animal life. Zoology. zoo The Study of Animal Life part m starting of course as an ovum at the level of the Protozoa, has to stop as it were at the first distinctively crustacean station—the Nauplius- stage. After some change and delay, it continues to progress, but again there is a halt and a change at the Zoea station. Finally there is another. Fig. 39«.—Life-history oi Penteus) tlie Zoea. delay at the Mysis stage before the Penceus reaches its destination. The crab, on the other hand, stops first at the Zoea station, the lobster at the Mysis station, while the crayfish though progressing very gradually like all the others has—if you do not find the simile too grotesque—a through-carriage all the 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 Thomson, J. Arthur (John Arthur), 1861-1933. New York, C. Scribner's sons [printed at the Edinburgh press]
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1892
