188 LEECHES 



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 Bradbury, S. (1957) A histochemical study of the pigment cells of the 



leech Glossiphonia complanata. Quart. J. micr. Sci. 98, 301-314. 

 Bradbury, S. (1958) A cytological and histochemical study of the con- 

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Sci. 99, 131-142. 

 Bradbury, S. and Meek, G. A. (1958) The fine structure of the adipose 



cell of the leech Glossiphonia complanata. J. biophys. biochem. Cytol. 



4, 603-608. 

 Bradbury, S. (1959) The botryoidal and vaso-fibrous tissue of the leech 



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morphology of the nervous system with a description of Nephelis 



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III, Annelides; 4, Hirudinea. Leipzig. 

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Recent Advances in Invertebrate Physiology, Oregon. 

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Zur Embryologie von Nephelis. Zool. jfb. Anat. 4, 697-783. 

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Hirudineen. Zur Embryologie von Clepsine. Z. wiss. Zool. 72, 



525-544. 

 Busing, K. H. (1951) Pseudomonas hirudinis ein bakterieller Darmsym- 



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 Chapman, G. (1958) The hydrostatic skeleton in the invertebrates. 



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