THE WATKR FLEAS (CEAOOCI.R \) 73. 



233 (232) One to three rather strong teeth, valves reticulated. 



Aloiulla dtntifcra Sars icxji. 



/A 



m<o:^ 



^fr^ 



0.1 MM. 



ft^^' 



v^^ 



Back liiKh arched; iiifcr<>-iK>sl»-aI .in^Ic a. uf.- «iih 

 1-5 fairly strong tL-clh. Rostn;' • ,^ 



ventral margin of valves. ]■ ,. 



broad, somewhat exixindwl Im,.,.. '.\ 



rounded; with alx^ut 12 minute mar, 

 and as many very minute lateral f.i *, 



with I very lon^ l)as;d spine. Color y. Iluw l.ru*n 

 Length. 5 ta. o..} mm.; ^ , o <s mm. 



Louisiana and Te.xas; not rare in \*»A% and UJic^ 



Fig. iisy. Alonella Jcnti/cra, with developing cpbippium. 



234(231) No infero-posteal teeth; form rotund 



O.I MM, i 



Uomild glohulosa Daday 1898. 



Small; shafK- oval rotund; head 

 reachinK alx)ut to miil.il.- ..f >. .Kr^. 

 Valves striate<l; all ni \ 



and without teeth. I n 



long, narrow; hr<)a<!. »; 



about \2 minute m.i- .^ 



and as many slen<Ier ! ■ •>. 



Keel of labrum with -- noulic*. 

 Color yellow-brown. Lcn^h. 9. 

 0.30-0.4 mm. 



Lake Charles, Louisiana, 

 weeds. 



This species is .! . sctUpta San. 



Fig. 1 1 60. AlontUa (lobmlos*. 



235 (230) Post-abdomen with marginal denticles only ^36 



236 (237) Denticles minute; post-abdomen large, bent behind anus; no in- 

 fero-posteal tooth on valves. Alouiila diiiphaiia (King) 1S53. 



0.1 MM 



Head short, n>strum not rracb- 

 ing more than two thinls distance 

 toward ventral mrirdn. Wilvc* 

 striated. M)nii • to 



reticulation. . ^: 



infero-ix).steal i- 



out teeth. I 



slightly enlar^' h 



numerous very inuuitc ir,.ii,.iiAJ 

 denticles anil no other !*jnnri. 

 Claws long: i ba5al sjMnc. lycnitth. 

 S . 0.5 mm.; S < o 4 rom. Ci>lor 

 yellow, transjwrcnt. 



I^uisiana, Texas; in pooU and 

 lakes; rare. 



Fic. 1 161. Aloneila dui^ksm*. 



