That the mosquito ( " Culex fatigans ", now " Culex quinquefasciatus " ) was the intermediate host of the filarial parasite ( " Wuchereria bancrofti " ) was a medical breakthrough in 1877.
2.
He continued his research into malaria by showing that certain mosquito species ( " Culex fatigans " ) transmit malaria to sparrows and he isolated malaria parasites from the salivary glands of mosquitoes that had fed on infected birds.
3.
This was almost a Nobel Prize-winning work because the next year Ronald Ross of the Indian Medical Service demonstrated the transmission of bird malarial parasite ( then " Proteosoma " but now " Plasmodium relictum " ) by a mosquito ( then " Culex fatigans ", but now " Culex quinquefasciatus " ), for which Ross won the Nobel Prize for Physiology or Medicine in 1902.