MORPHOLOGY OF BATHYNELLA AND ALLIED CRUSTACEA. 
Text-fig. 13. 
Head and anterior tlioracic somites, lateral view. A Palseo- 
caris precursor (fossil, Coal-measures). B. Anaspides 
tasm anise, a'. Antennule. a". Antenna, e Eye. h. gr. 
Horizontal groove, md. Mandible, on. gr. Mandibular groove. 
mt. Metastoma or lower lip. onx'. Maxillula. mx". Maxilla. 
r. Rostrum. I, II. Tergites of* first and second thoracic 
somites. (From ‘ Geol. Mag.,’ 1911, by kind permission of the 
editor.) 
Text-fig. 14. 
II. 
JKoonunga cursor. Head and anterior thoracic somites, 
lateral view. a 1 . Base of antennule. a". Base of antenna. 
md. Mandible, on. gr. Mandibular groove, mx'. Maxillula. 
mx". Maxilla, thp 1 ., thp 2 . Appendages of first and second 
thoracic somites. II. Tergite of second thoracic somite. 
