132 



Fi.ir. 3. En Braiu-hialfud af l!=te rar. 

 : 4. Kn Brauchi.ilt'od af oto Par; ^J Kmlopndit ; «• Exo- 

 podit: ep P^pipodit, 



5. Eu Braiiphialfod af 7dc Par. 



6. En Branchialfo.l af 8dt' nidf^t.- Par. 



7. En Svoinmefod af Iste Par. 



8. Ocn vod Enden af Basaldclc]! inda.l nduaaende Fi>rt 

 sats. stærkere forstørret. 



8 a. Ihi af dc terminale Hager paa samme, meget stærkt 

 tcirstorret. 



9. En Svonunefod af 4de Par: x den indre Ffirtsats. 



10. Det forreste Par rndiiiient;cre Ilalefodder. 



11. Det ba.aerste Par Ilalelemmer. 



j 12. Sidste tlaleseginent, med vt-nstre Ilalegren, seet ne- 

 denfra. 



Eig. 1. 

 2. 



3. 



4. 

 5. 

 6. 



>■ 8. 



Eig. 9. 



10. 

 11. 



12. 

 13. 

 14. 

 15. 

 10. 

 17. 

 18. 

 19. 



Eig. 1. 



Tab. lY. 

 Nehalia bijyes (Fal)r. 



cf 



En Eoler af Iste ]'ar. 



En Foler af 2det Par kun den basale Del af Svo 



lien tegnet;. 



En Kjæve af Iste Par. 



En Kjæve af 2det Par. 



En Branchialfod af Ste Par. 



En Halefod af Iste Par. 



En Halefod af 2det Par. 



Enden af sidste Halesegment med venstre Halegren, 



seet nedenfi'a. 



Nehalia tijpMops, G. O. yars. 9 



Den forreste Del af Legemet seet fra hoire Side; 

 'hoiere Halvpart af Rygskjol<let borttaget). 

 Pandepla<len, seet ovenfra. 

 Oiuene me<l det tilhorende Segment, ovenfra seet. 



\'enstre Xindliakke med I'aljie. 



En Kjæve af Iste Par. 



En Kj;eve af 2det Par. 



En Branelualfod af Iste Par. 



En Branehialfod af sidste Par. 



En Svommefod af Iste Par. 



En af de forreste rudimentære Ilalefodder. 



En af de bagerste Plalefodder. 



Talj. V. 

 Nehalia hipes ;;Fabr.; 



Skematisk Figur af en Hun, seet fra hoire Side, med 

 de vigtigste indre Organer iudtegnede i samme og 

 angivne med sjerskilte Farver. 



Tviersnit af Dyret over ^Hdtkroppen. De indre Or- 

 gai\er angivne med sannne Farver som paa Fig. 1. 

 C llygskjoldet ; i Tarmen; Ci.\ Cd Tarmens Blind- 

 sa'kke (Leversiékke ; 7 Bugganglion; ("Hjerte; Mv 

 ventrali' Kro]isnuiskler; Md dnrsale Krupsmuskler; 

 ov Ovarier; bjir liranehialfodder. 



Tarmens Chitinskelet, seet fra venstre Siile. 



SaimiH' nedenfra. 



Et .'"-tykke af Buggangliekjaden. 



El -Eg, paa hvilket netop Blastddermen er dannet, 



indtagende den nedre Halvdel. 



Kt Æg med indesluttet 1'nibrvo, si'et fra venstre Side. 



8i 



9. 



10. 

 11. 

 12. 



Eia 



1. 

 2. 



3. 



4. 

 5. 

 6. 



Fig. 9. 



10. 

 11. 



> 12. 

 . 13. 

 . 14. 



> 15. 

 . 16. 

 . 17, 

 . 18. 



: 19. 



pair. 



at the end of 

 same, verj- hi 

 .r, tlu' inner 



thi- 

 ghly 

 pro- 



A liranehial leg of the 1st pair. 



A braneliial leg of the 5th pair; /), endoimdite 



exopodite; ep, epipodite. 



A branchial leg of the 7th pair. 



.V braneliial leg of the 8th (last 



A natatory leg of the 1st pair. 



The inward-pointing projeetion 



basal part. more highly magnitied 



One of thc> terminal hooks 011 tht 



magnilied. 



A natatory U-g of the 4th pair; 



jeetion. 



Tlie foremost pair of rn<limentary <'audal legs. 



The hindmost pau- of eaiidal limbs. 



Last caudal segment, witli the left caudal ramus, 



from lielow. 



Plate IV. 

 Nébalia hipes (Fahr.i (j 



An antenna of tlu' 1st jiair. 



An antenna nf the 2nd pair only the basal part of 



the tlagelhim drawn . 



A maxilla of the 1st pair. 



A maxilla of the 2iid pair. 



A liranchial leg of the 5tli pair. 



A caudal leg of tlie 1st pair. 



A caudal leg of the 2nd pair. 



End of the last caudal segment with the left c-andal 



ramus, seen f mm below. 



Nehalia tijpJdops, G. o. Sars. 9 



Tlie foremost part iif tlie liody seen from the right 



I'riglit half of the carapace removed). 



Friintal lamina, seen from above. 



Eyes, with the segment belonging to tliem, seen 



from above. 



Left mandible with palp. 



A maxilla of the 1st pair. 



A maxilla nf the 2nd ]iair. 



A branchial leg of the 1st pair. 



A lirancliial leg of the last pair. 



A natatory leg of the 1st pair. 



One of the foremost rudimentary caudal legs. 



One of the hindmost caudal legs. 



Plate V. 

 Nehalia hipes (Fabr.) 



Fig. 1. Diagrammatic drawing of a female, seen from the 

 right, with tlie most in'ipoi'tant organs shown in dif- 

 ferent colours. 



J 2. Transverse section of the animal through the meso- 

 some. The internal organs represented in the same 

 colnurs as in lig. 1. C, carajiace; i, intestine; Cv.Cd, 

 intestinal eæca (biliary cæca" ; g, ventral ganglion; 

 c, heart: M%\ viMitral muscles of the body; Md. 

 dorsal muscles of the body; Ol', ovarii's; hpr. bran- 

 chial legs. 



i 3. <'liitine skelc'tiMi of the intestine, seen from tlie left. 



» 4. Tlir same, fnim lielow. 



» 6. .\ piece of tlie ventral ganglion chain. 



» 6. .\n egg, in which the blastoderm is just formed, and 

 occu])ies the lower half. 

 7. An egg, with enclosed emliryo, seen frc^iu the left, 



