70 



J. MURRAY ON WATER-BEARS, OR TARDIGRADA. 



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Explanation of Plate 7. 



The figures showing the complete animals are drawn to one scale, 

 except Figs. 1 and 3. Fig. 1, M. dispar, is such a large animal 

 that it had to be drawn on a smaller scale ; and Fig. 3, Lydella, 

 is so very small that, to make it visible on a small plate, it had 

 to be drawn on a scale three times as large as any of the others. 



Fig. 1. Mawobiotus dispar Murray, with its egg, x 150. 

 1a. M. dispar, furca of tooth. 



2. M. annulatus Murray, x 250. 



3. Lydella dujardini Plate, copied from Dujardin, x 750. 



4. Claws of Diphascon oculatum Murray (oberhduseri, type). 



5. Diagram of mouth and adjacent organs of Macrobiotics : 

 M, mouth ; S, tooth guide ; G, gullet ; T, tooth ; F, furca 

 of tooth ; A, apophysis ; P, pharynx ; R, rods ; G, comma, 



6. Diphascon chilenense Plate, x 250. 



7. M. dispar, claws of first, second, and third legs. 



8. M. dispar, claws of fourth leg. 



9. M. harmsworthi Murray, claws. 



10. Echiniscus spitsbergensis Scourfield. i. to vi., the segments 

 of the body; a, b, c, d, lateral setae (e absent in this 

 species) ; P, palp on fourth leg : x 250. 



11. E. spitsbergensis, outer and inner claw. 



12. E. mutabilis Murray, i. to vi., the segments of the 

 body ; P, palp on fourth leg : x 250. 



13. E. granulatus Doyere, outer and inner claws. 



14. Milnesimn tardigradum Doyere, x 250. 

 „ 15. M. tardigradum, claws of one leg. 



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11 



11 



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Echiniscoides sigismimdi (copied from M. Schultze). 



Journ. Quekett Microscopical Club, Scr. 2, Vol. X., No. 60, April 1907. 



