I.IHLIOGRAIMIY xiii 



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BRACHIOPODA. 



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(328) Morse. "On the Early Stages of Terebratulina septentrionalis." Mem. 

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(331) Fritz Mitller. " Beschreibung einer Brachiopoden-Larve." Miiller's 

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CrUETOPODA. 



(332) Alex. Agassiz. "On the young stages of a few Annelids." Annals 

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(338) B. Hatschek. " Beitrage z. Entwick. u. Morphol. d. Anneliden." -SV/.-. 

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(339) B. Hatschek. "Studien uber Entwicklungsgeschichte der Anneliden." 

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(340) Th. H. Huxley. "On hermaphrodite and fissiparous species of tubi- 

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(841) N. Kleinenberg. "The development of the earthworm Lumbricus 

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