134 



Vis. -. 



10. 



n. 



12. 

 13. 



10. 



11. 



12. 

 13. 

 14. 

 15. 



16. 

 17. 



lui af do pna .'^aiiiniL' fæsteiU' Borster, stterkt for- 

 størret. 



Ell Ki.'eve af 2(iet Par. 



Kii Branohialfod af Iste Par hi)S Hunnen; end Enilo- 

 podit; ex Exopndit: ep Epiixidit: 6 Basalplade. 



Et Stykke af Kanterne af ilen inderste Endit med de 



tilhorende lefnriuigt kruinmede Borster, ftærkere for- 



.stiirret. 



En Branohialft)d af 5te Par. Bogstaverne Kom paa 



Fig. 9. 



En Branrliialfod af sidste Par. 



En Braneliialfod af 6te Par hos Haniu'n. Bogstaverne 



soin paa Fig. 9, 11 i>g 12. 



Tab. VIII. 



Branchinecta jmludosa (Muller). 



J'Mg. 1. Legemet af en Hun, iiied indtegnet Xervesysteni, seet 

 fra Bugsiden. 

 2. Enden af en Foler af Iste Par, stærkt forstorret. 



En Lugtepapille fra sanuue, endnu st;erkere for- 

 størret. 



Hjernegangliet med de fra samme udspringende Ner- 

 ver, seet ovenfra, o det enkle Øie; an Sandsegi'uber 

 i Hovedets Integument; a' Basis af Iste Par Følere 

 med den tilsvarende Nerve; O Synsnerverne ; a' Xer- 

 verne for 2det Par Folere. 

 Et Stykke af Buggangliekjæden. 



Den ydre Del af et af de sammensatte Oine i 

 Længdesnit. 



2 Synselementer isolerede. d Xervetilu'er fra Syns- 

 nerven; c Synsstav; 6 Krystalkegle; a lindseformigt 

 fortykket Del af samme. 

 SWedelen af et Halesegment, med 2 lludiierver. 



Hudiiapiller med Foleljorster, sta-rkt forsttirret. 



Den forreste Del af Tarmen med sine 2 Blind^^adcke, 



seet ovenfra. 



Genitalsegmentet af en Hun med .Egbeholdereu og 



Ovarierne :ov;, seet nedenfra. 



Et Stykke af Kitkjærtelen. 



i'^t -Eg med begyndende Klovning. 



Et andet Aig uden Klovning. 



I'iii Larve i et af <le tidligere Stadiei;, seet fra Bug- 



si<len. 



En Larve i et senere Stadium, seet fra Bugsideii. 



Forenden a f Legemet hos et lidt senere Larvestadium, 



seet nedenfra. de sammensatte Øine; o det enkle 



Øie; rt' Iste Par Følere; «' 2det Par Folere; L Øver- 



heben; M Kindbakkenie; _p ilandibularfodderne; m', 



m" Kjæverne. 



Tab. IX. 

 Folyartemia forcipata, Fischer. 



Fig. 



lioii-e Siile. 



Fuldvoxen, tcgbaavnde Hun, seet fra 

 Samme, sect ovenfra. 



•et nedenfra. 

 Side. 



(iribeantennerncs (irene. 



Fuldvoxen 



Samme 



S])idsen af en af 



fra venstre Side. 



sta'rkeix! 

 for.'itorret. 



Halepladerne, seet ovenfra. 



I'".nden af Halen 



Enden at Halen med Halepladerne, seet ovonlra 

 I'ai Ijarve i et af de tidligere Stadier, seet nede 



■denfra. 



Fi.ff. 7. Øne of the liristles attaelied to the same, biglily 

 magnified. 

 S. A maxilla of the 2iid pair. 



9. A branchial leg of the 1st pair in the female; end, 

 endopodite; ex, exopodite; ep, epijiodite; b, basal 

 lamella. 

 » 10. A piece of the edge of the innermost endite with 

 its falciforinly curved bristles, more highly magnified. 

 ' n. A l.iram'hial leg of the bX\i pair. Lettering as in 

 fig 9. 

 12. A branchial leg of the last jiair. 

 • 13. A branelrial leg of the 5th pair in the male. Let- 

 tering as in figs. 9, 11 and 12. 



Plate VIII. 



BrancMnecta pahidosa ilMuller). 



Fig. 1. Body of a female with the ihtvhus system drawn in, 

 seen from the ventral side 



2. Extremity of one of the 1st pair of antenna', highly 

 magnifit'd. 



3. An olfactory papilla on tlie same, still more highly 

 magnified. 



4 Oereliral ganglion with the nerves issuing from it, 

 seen from above, o, ocellus; aa, sensory pits in the 

 integument of the head ; a ', base of the first pair of 

 antennæ, with the corresponding nerves; 0, optic 

 nerves; a^, nerves for the 2nd pair of antenna''. 



5 A piece of the ventral ganglion chain. 



6. The outer part iif one of the compound eyes in 

 longitudinal section. 



7. IVo visual elements isolated, d. nerve fibi-es from 

 the optic nerve; e, optic rod; b. crystalline cone; 

 a, lenticularly thickened part of the same. 



8. Lateral part of a tail-segment, with 2 cuticulai- 

 nerves. 



9. Cutaneous jiapilhe, with sensory bristles, higiily mag- 

 nified. 



10. The anterior part of tlie intestine with its 2 ca:^ca, 



seen from aliove. 

 11 The genital si'gment of a female witli niarsupiuin 

 and ovaries ov,, seen from below. 

 » 12. A piece of the glutinous gland. 

 J 13. An egg with cleavage commenced. 



14. xVn egg without cleavage. 

 s 15. A larva in one of the earlier stages, seen from the 

 ventral side. 

 16. A larva in a later stage, STeen from the ventral side. 

 17. Anterior end of the body in a rather more advanced 

 larval stage, seen from below. 0, compound eyes; 

 0, ocellus; a', 1st pair of antenna'; a', 2nd pair of 

 antennæ; L, lalirum; M, man<libles; p, mandiliular 

 legs; m", m^, maxillre. 



Plate IX. 

 Pohjarteniia fovcipata Fischer. 



Fig. 1. Full-grown, ovigerous female, seen from the riglit. 



2. Same, seen from al>ove. 



» 3. Full-grown male, seen from below. 



•J 4. Same, from the left. 



5. Pnint of one of the rami nf the iirebensile antenna', 

 more highly magnified. 



6. I'.nd nf tail, with the caudal lamelhc, seen from above. 



7. .V larva in one of the earlier stages, seen from below. 



