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Rathbun, R. List of Brazilian Echinoderms. (Trans. Conn. 

 Acad., v, 1878). 



Richiardi, S. Monograph of PennatulidaB. 8vo, 14 pis. Bo- 

 logna, 1869. (Ital.) 



Sars, M. Memoir on living Crinoids. 4to, 6 pis. Christiana, 

 1868. (Fr.) 



Sars, M. Review of Norse Echinodermata. 8vo. Christiana, 

 1861. 



Savigny, J. C Iconographie des Echinodermes, Polypes et 

 Zoophytes del'Egypt, fol. 28 pis. Paris, 1810. 



Selenka, E. Anatomy and Revision of the Holothu- 

 rians. (Zeitsch. Wiss. Zool. xvii.) 1807. 4 pis. (Ger.) 



Semper, C. Scientific Results of Travels in Philip- 

 pene Archipelago. Holothurians. 4to, 37 pis. Leipzig, 

 1867-8. (The most .valuable work on the subject ever pub- 

 lished.) 



Trywell, G. MMIHIM! of British Sea Anemones. 8vo, 7 pis. 

 London, 1856. 



Verrill, A. E. Re vision of Polypes, east coast of Amer- 

 ica. (Memoirs Bost. Socy. i, 1863.) 



Verrill, A. E. List of Polypes and Corals sent by Museum 

 Comp. Zool. (Bulletin M. C. Z.) i, 1864. 



Verrill, A. E. Synopsis of Polypes and Corals of No. Pacific 

 Exploring Expedition. (Bulletin Essex Inst. iv-vi, 1866-69.) 



Verrill, A. E. Notes on Radiata. (Trans. Conn. Acad. i, 

 1868-71.) 



Verrill, A. E. New and imperfectly known Echinoderms and 

 Corals. (Proc. Bost. Socy. xii. 1869.) 



Vogt, C. Sipbonophora and Tunicata of Nice. 2 vols., 4to, 

 27 pis. Geneva, 1854. (Fr.) 



