Girard, C. (1891). Deux Especes Nouvelles de Planaires Americaines. 



Le Naturaliste (Peons), 13(98) :80. 



(1893) . Recherches sur les Planaries et les Nemertiens de 



I'Amerique du Nord. Annates des Saienaes Naturelles, serie 7, 

 15:145-310, plates 3-6. 



Haldeman, S. S. (1840). Supplement to Number One of "A Monograph of the 

 Limniades 3 or Freshwater Univalve Shells of North America. " 3pp. 



Holmquist, C. (1967). Dendroooelopsis piriformis (Turbellaria Tricla- 

 dida) and Its Parasites from Northern Alaska. Arohiv fur Hydro- 

 hiologiey 62:453-466, 1 folding table, 6 plates. 



Hyman, L. H. (1925). The Reproductive System and Other Characters of 

 Planaj^ia dorotocephala Woodworth. Transactions of the American 

 Microscopical Society, 44:51-89. 



(1928). Studies on the Morphology, Taxonomy, and Distribution of 



North American Triclad Turbellaria. I. Procotyla fluviatilis. 

 Commonly but Erroneously Known as Dendrocoelum lacteum. Trans- 

 actions of the American Microscopical Society, 47:222-255. 



(1929), Studies on the Morphology, Taxonomy, and Distribution of 



North American Triclad Turbellaria. II. On the Distinctions be- 

 tween Planaria agilis an Planaria dorotocephala, with Notes on the 

 Distribution of agT^tiis in the Western United States. Transactions 

 of the American Microscopical Society, 48:406-415. 



(1931a). Studies on the Morphology, Taxonomy, and Distribution 



of North American Triclad Turbellaria. III. On Polycelis coronata 

 (Girard) . Transactions of the American Microscopical Society, 

 50:124-135. 



(1931b). Studies on the Morphology, Taxonomy, and Distribution 



of North American Triclad Turbellaria. IV. Recent European Re- 

 visions of the Triclads, and Their Application to the American 

 Forms, with a Key to the Latter and New Notes on Distribution. 

 Transactions of the American Microscopical Society, 50:316-335. 



(1935). Studies on the Morphology, Taxonomy, and Distribution 



of North American Triclad Turbellaria. VI. A New Dendrocoelid 

 from Montana, Dendroooelopsis vaginatus n. sp. Transactions of 

 the American Microscopical Society, 54:338-345. 



I (1937a). Studies on the Morphology, Taxonomy, and Distribution of 



North American Triclad Turbellaria. VII. The Two Species Confused 

 under the Name Phagocata gracilis, the Validity of the Generic 

 Name Phagocata Leidy 1847, and Its Priority over Fonticola Komarek 

 1926. Transactions of the American Microscopical Society, 

 56:298-310. 



(1937b). Studies on the Morphology, Taxonomy, and Distribution 



of North American Triclad Turbellaria. VIII. Some Cave Planarians 

 of the United States. Transactions of the American Microscopical 

 Society, 56:457-477. 



(1939a). New Species of Flatworms from North, Central, and Souf 



America. Proceedings of the United States National Museum, 

 86:419-439. 



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