IX 



TO THE BINDER. 



The Binder will place the Plates thus : 



PLATE I. Hirudines, to front 



II. Hirudo octo-oculata, 



III. Hirudo sanguisuga, 



IV. Hirudo stagnalie, .... 

 V. Hirudo vitrina, 



VI. Gordius fragilis, .... 



VII. Gordius fragilis, figs. 1, 2, 3, . 



VII. Gordius fragilis, figs. 1 to 1 5, 



VIII. Gordius maximus, .... 



IX. Gordius viridis, 



X. Gordius tamia, .... 



XI. Gordius spinifer, ..... 



XII. Gordius fuscus, 



XIII. Gordius anguis, .... 



XIV. Planaria cornuta, 



XV. Planaria lactea, .... 



XVI. Planaria lactea, 



XVII. Nais, 



XVIII. Cirratulus, .... 



XIX. Lumbricus marinus, 



XX. Nereis and Spio, 



XXI. Nereis hirsuta, 



XXII. Nereis bullata, 



XXIII. Nereis remex, 



XXIV. Aphrodita, 



XXV. Sabella, .... 



XXVI. Terebella littoralis, 



XXVII. Terebella figulus, . 



XXVIII. Terebella conchilega, . 



XXIX. Terebella tuborculata. 



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