Errata XVii 
Page 318, line 3 from bottom, insert 1885, before “Notice.” 
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327, line 11 from bottom, for X read IX. 
327, line 9 from bottom, for Lechapois read Lechaptois. 
330, line 11 from top, for Dauztenberg read Dautzenberg. 
331, line 17 from bottom, for crassa read nassa. 
335, line 7 from bottom, for Bourguigant read Bourguignat. 
336, line 4 from bottom, for Dreissenide read Driessenide. 
336, line 2 from bottom, for six read seven. 
337, line 4 from top, for Dreissenide read Driessenide. 
339, line 15 from bottom, for African read Africa. 
356, line 3 from bottom, for 76 read 65. 
360, line 3 from bottom, for udum read nudum. 
361, line 4 from top, for 868 read 1868. 
362, line 3 from top, for cumingiiquanze read cumingti quanze. 
362, line 6 from bottom, for Oéeanogr. read Océanogr. 
368, line 6 from top, for Venusd read Venus. 
377, in caption of Fig. 85, for Cyprenoida read Cyprenoida. 
378, line 18 from top, for 303 read 393. 
378, last line, for Egypt read Egypte. 
380, line 18 from bottom, for Sipmson read Simpson. 
381, line 8 from top, for of Parreysia read in Parreysia. 
381, line 12 from top, for Mahmoudich read Mahmoudieh. 
381, line 19 from top, for 188 read 1886. 
381, line 6 from bottom, for Voy. read Moll. 
382, line 16 from top, for VI read IV. 
386, line 24 from top, for Perlflussmuscheln read Flussperlmuscheln. 
386, line 17 from bottom, for Flussperlmuschlen read Flussperlmuscheln. 
387, line 10 from bottom, for Branchia read Branchial. 
390, line 2 from bottom, after Putzeys insert 1898. 
409, line 12 from bottom, for lavierianus read lavigerianus. 
414, line 23 from bottom, for Naides read Naiades. 
416, line 21 from bottom, for 34 read 3}. 
416, line 13 from bottom, for 1% read 1}. 
419, line 14 from top, for VI, read IV. 
419, line 19 from top, for 260 read 250. 
421, line 19 from top, for ancey read anceyt. 
421, line 24 from top, for at read as. 
421, line 13 from bottom, for manot read marnot. 
426, line 15 from top, for Anthropteron read Arthropteron. 
431, line 20 from top, for in read at. 
438, line 23 from top, for Stanleyvile read Stanleyville. 
450, line 9 from top, for 1907 read 1807. 
453, line 14 from bottom, for Cervospongilla read Corvospongilla. 
460, line 8 from bottom, for Brugierére read Bruguiére. 
472, line 3 from top, for victims read victim. 
472, line 18 from top, for Rhadbitis read Rhabditis. 
474, line 4 from bottom, for Exepdition read Expedition. 
476, line 18 from bottom, for agregia read egregia. 
