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ELOF JADERHOLM, HYDROIDEN. 



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Eadcndriitm capillare Ålder 11, 53 



caricum Jädh 11, 51 



rameum (Pallas) Johnst. . . 10, 50 



tencllum Allm 11, 54 



vaginatum Allm 11, 53 



Wrighti Hartl 11, 51 



Filcllum expansum Lev 21, 34, 77 



scrpens (Hass.) Hincks .... 21, 34, 76 



tubiformc Schydl 21, 77 



GalantJmla marina Hartl 20, 71 



Gonothyrcea Clarki (Märkt. -Turn.) .... 18, 65 



gracilis (Särs) Allm. . . . 18, 33, 64 



a hyalina Hincks 18, 65 



» Lovcni Allm 18, 33, 64 



Grammaria abictina M. Särs 21, 75 



immcrsa Nutt 21, 75 



Haleciwm arficulosum Clarke 15, 32, 58 



Beani Johnst 16, 32, 60 



boreale Lorenz 14, 56 



creiiulatum Hincks 56 



mrricaule Lorenz 15, 58 



halecinum (L.) Schweigger . .14, 32, 57 



» irregulare Bonnevie 15, 58 



KMenthali MARKT.-Tuni. ... 15, 59 



labrosum Ålder 14, 56 



» minutum Broch 14, 55 



» mirabile Schydl 13, 55 



mnricatum (Ell. & Sol.) Johnst. 16, 32, 59 



planum Bonnevie 14, 57 



plumosum Hincks 14, 57 



repens Jädh 13, 54 



» Schneideri Bonnevie 55 



scutum Clarke 15, 57 



» septentrionale Märkt. -Turn 16 



» scssile Norm 15, 58 



» sessile Segerst 58 



tencllum Hincks 14, 32, 55 



» tortile Bonnevie 15, 58 



Halicornaria integra (G. O. Särs) .... 30, 109 



phima Broch 109 



» ramulifera Allm 109 



Hcbella parvula (Hincks) 19, 71 



pocillum (Hincks) Nutt 19, 71 



Hydracfinia Allmani Bonnevie 10, 49 



» carica Bekgh 10, 48 



echinata (Flem.) Johnst. ... 10, 48 



» monoearpa Allm 10, 49 



Hydrallmania falcata (L.) Hincks . . . 28, 37, 104 



Lafoea dumosa (Flem.) Särs 20, 34, 71 



» elegantula Brocb 20, 73 



» fruticosa M. Särs 21, 73 



» gigantea Bonnevie 70 



» gracillima (Ålder) G. O. Särs . 21, 34. 74 



» >i>iuf<l<s Hincks 20, 72 



halecioides Allm 71 



» parvula Hincks 71 



» pinnata G. O. Särs 71 



:> plicatilis M. Särs 78 



» pocillum Hincks 71 



23. 



Lafoea pygmsea Ålder 



sibirica Thomps. ... 

 syminetrica var. Bonnevie 



triaxialis Lev 



Lafoeina maxima Lev 



» tenuis M. Särs .... 



Lampra aretica Jädh 



Lictorella halecioides Pictet & Bedot . . . 

 » pinnata (G. O. Särs) Broch . . 

 Lovenclla clausa (Loven) Hincks .... 22, 

 produeta (G. O. Särs.) Hincks 22, 

 Obelaria gelatinosa Hartl. 



23, 



35, 



8, 



20, 

 35, 

 35. 



33, 

 34, 



34, 

 33, 

 17. 

 35, 

 23, 

 16, 

 16, 



9, 



10, 



9, 



K). 



Obelia dichotoma (L.) Hincks 17, 



» flabellata Hincks 17, 



» geniculata (L.) Allm 17, 



» longissima (Pall.) Hincks . . . .17, 



» solotvctzkiana Schydl 



Opercularella lacerata (Johnst.) Hincks . 22. 



nana Hartl 



Ophiodes gorgonoides (G. O. Särs) Bonnevie 



parasitica G. O. Särs 



Perigonimus abyssi G. O. Särs 



■muscoides M. Särs 



» repens (Wright) Hincks . . . 



» rosens (M. Särs) Bonnevie . . 



» vestitus Allm 



» i/a/dioc-arcticce Birula .... 10, 



Perisiphonia pocilliformis Schydl 



Plumularia Bonncviea' Billard 29, 



» Catharina Johnst 30. 37, 



» echinulata Lmk 29, 



elegantula G. O.S ars 



elegantula Pictet & Bedot .... 



fragilis Hamann 30, 



frutescens Lmk 



» gracillima G. O. Särs 



groenlandica Lev 



pinnata (L.) Lmk 29, 37, 



» rubra Bonnevie 



» sctacea (Ellis) Lmk 29, 



» similis Hincks 29, 



variabilis Bonnevie 



Vcrrilli Clarke 



Podocoryne camea M. Särs 10, 



Polyplumaria flabellata G. O. Särs .... 30, 



pumila Allm 



Schieotrichia frutescens (Ell. & Sol.) . . 30, 38, 

 gracillima (C o. Särs) Nutt. 30, 38, 



groenlandica { Lev.) 30, 



variabilis (Bonnevie) . ... 30, 



Sélaginopsis aretica Bonnevie 28, 



decemserialis Mekeschk. . . . 28, 



Hartlaubi Nutt 28, 



mirdbilis (Verrill) Norm. . . 27, 



obsolcla (I, ep.) Krchp 28, 



pinaster ( Lep.) Nutt 28, 



Sertularella t rayi (Lamx.) Hincks . . . 27. 36, 



geniculata Hincks 



gigantea Mereschh 27. 



37, 

 37, 



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