APPENDIX. G35 



tected, contractile. Gills lateral, a simple series on each side, 

 branched like a shrub. 

 Syn. Clcelia, Loven. 



Species of Hero. 

 fimbriata, Vahl. formosa, Loven. 



The genus Embletonia should be transferred to the sub-family 

 JEoliclincB, and be defined as follows. 



Genus EMBLETONIA, Alder and Hancock. 



Body slender. Dorsal tentacles simple ; labial feelers flattened 

 into two lateral lobes. Gills fusiform, set in a single or double 

 series on each side. 



Syn. Pterochilus, Alder and Hancock. 



Ex. E. pulchra, Alder and Hancock, pi. 67, fig. 5. 



Species of Embletonia. 



rninuta, Forbes and Goodsir. pulchra, Alder and Hanc. 



pallida, Alder and Hanc. 



HETEEOPODA. 



Vol. ii. p. 88. Genus MACGILLTVRAYIA. 



Mr. J. D. Macdonald, Assistant-Surgeon of H.M.S. "Torch," 

 has examined the animal of this genus in a living state. He 

 finds that there are four retractile ciliated arms or appendages 

 encircling the head, coalescing behind the tentacles and eyes. 

 These arms are transparent, and in the extended state are 



