CRUSTACEA MAI.ACOSTRACA. III. ,,.. 



EXPLANATION OF THE PLATES. 1 



Plate I. 



Fig. I. lanira muculosa Leach. 

 Fig. i a. Head of an ovigerous female from about 100 fathoms at the Faroes, from above; x 13. 



Length of the animal 3*9 mm. 



i b. Abdomen of the same female from the Faeroes, from above; x 13. 

 i c Head of a female with marsupium from the "IngolP StaL 9 (295 fathoms), from above; x 



iv Length of the animal ;.) mm. 

 id. Head of a female with marsupium from LaL 6an' N, Long. i9 36'W., 1010-1140 fath., 



from above; x 13. Length of the animal 6-5 mm. 

 i e. Abdomen of the last-named specimen, from above; x 13. 



1 f. Distal part of the median lamella of the abdominal opercnlnm of a male from LaL 6an'N., 



Long. io, 36'W., 10101140 fath., from below; x 3a 



Fig. 2. lanira alia Stimpson. 

 Fig. 2 a. Anterior part of the body of a female from the "IngolF StaL 96, from above; x 10. 



2 b. Posterior part of the body of the same female, from above; x ia 



ac. Right lateral and posterior margin of the abdomen shown in fig. 2 b, from above; x 35. 



ad. Distal port of the median lamella of the abdominal operculum of a male from the "Ingolf 

 StaL 96, from below ; x 34. 



Fig. 3. lanira tricornis Kroyer. 

 Fig. 38. Posterior part of the body of a female without marsupium from Ameralik (near Godthaab), 



from above; x 10. 

 3b. Right lateral and posterior margin of the abdomen shown in fig. 33, from above; x 35. 



Fig. 4. lanira pulchra n. sp. 



Fig. 4 a. Female with marsupium from the "IngolP StaL 95, from above; x */,. 

 4b. Left mandible of a female from the "Ingolf StaL 95, from below; x ad. 

 .} c. Left maxillula of the same specimen, from below; x 36. /. first joint; a. second joint; j. 



third joint; f*. lobe from first joint, . lobe from third joinL 

 4d. Left maxilla of the same specimen, from below; x a6. /. first joint; a. second joint; j. third 



joint; /. lobe from second joint; /. deeply cleft lobe from third joint. 

 4e. Left maxilliped of the same specimen, from below; x 26. a. the real first joint, the prtrcoxa, 



which generally seems to have disappeared in the maxillipeds of the order Isopoda, but U 



easy to point out in the present form. 



< By regrettable nmUkc the pUter hare been market] III. 4 in the npencription to the left foute*d et III. J. 

 TW ImftK Ii t .JM... tlL f. 3 



